Before you can grow big yields the first step is to get yourself some good quality cannabis genetics, that’s why at High Yield Strains we’ve shortlisted our top 20 high yield seeds to make your life that bit easier.

10 highest yielding strains by size

the top 20 high yield strains of 2021

Big Bud

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The name says it all, ‘Big Bud’ is quite simply one of the best-known high yielding strains in the world and rightly so. It was originally produced in the US, before being brought to the Netherlands in the early 80’s to evade the war on drugs that Nixon waged across America at the time. In the Netherlands, the strain was further stabilised and eventually went on to take the cannabis industry by storm by winning 1st prize in the Mostly Indica category of the High Times Cannabis Cup in 1989. Big Buds success comes from a simple idea that the breeders had, and that was to develop a strain with one goal in mind, to yield the most bud possible on a single plant.

Since it was brought to the forefront of the cannabis industry Big Bud has grown to become one of the most popular strains in the world and even today it is hard to find another strain that can rival the huge yields that it can produce.

Training techniques: Performs well with all training techniques, however because Big Bud is a very dense, bushy plant it suits LST & ScrOG most because you're able to easily manipulate the shape of the plant, creating plenty of opportunities for new bud sites as she grows - Read more on how to train your cannabis plants

Big Bud is renowned for producing not only huge buds but also dense tightly packed ones with very few leaves which is why the strain has become synonymous among cash croppers and alike. As the name suggests Big Bud is an incredibly high yielding strain which is why it sits at the top of our biggest yielding strains of 2021 list. Growers will enjoy a plentiful supply of big juicy cannabis buds, the only real down side to cultivating Big Bud is having enough room to grow it!

Big Bud is a 60:40 Indica dominant hybrid that grows to around 180cm tall, the plant is a vibrant green colour clustered with orange hairs and once the plant is in flowering it will develop solid sticky buds that cover the branches from top to bottom. Some growers use supports for the branches as it has been known that the branches can bend and snap under the weight of the buds if they are not thick enough at the time of flowering.

Big Bud has a typical Indica high with a heavy full body stone that comes on gradually. The strain is known to make you feel hazy and some users report it bringing on some psychedelic symptoms like mild visual distortions. It is definitely a strain that is suited to lazy activities, such as watching movies and relaxing at home.

The relaxing effects felt from the high of Big Bud have lots of medicinal benefits and it is often used to assist pain relief, stress, and arthritis. Its natural ability to slow you down and induce a lazy relaxed feeling means it is the perfect strain for anyone suffering with insomnia, the fact that it is only a medium THC strength means that you will ease into a long deep sleep and wake up feeling relaxed if a little groggy.

Because of the relaxed drowsy high Big Bud is not recommended for anyone that is looking for active social highs or for use while doing anything that requires any degree of concentration.

The smell of the buds is pungent with a sweet earthy aroma with a hint of citrus. Big Bud is a smooth smoke with a sweet taste and hint of spice and earthiness, you will also notice fruity undertones that can taste similar to grape.

Originally developed in the United States Big Bud is a 60:40 Indica dominant hybrid mix of three high yielding parent strains; Afghani, Northern Lights and Haze.

Gorilla Glue

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Otherwise known as GG#4, Gorilla Glue being up to 32 percent THC is typically only normally listed in the high THC strains categories, however this strain has more strings to its bow than that. Other than being incredibly potent Gorilla Glue can yield up to 600 grams per square meter which for a strain that will quite literally knock your socks off is impressive.

Gorilla Glue was aptly named after the famous Glue Brand because the strains were so sticky that when you trimmed the plant it was as though you had literally glued your scissors together.

Gorilla Glue in the cannabis world is a relatively new strain and since its introduction it has won numerous awards including the 2014 and 2015 Cannabis Cup for Best Cross Breed category, where it was famously describes as ‘a bunch of trichromes with a few buds, leaves, and stalks sticking out’. If you are after a cannabis strain that is both high yielding and super high THC then look no further.

Training techniques: Well with most plant training techniques, a trick that works will with Gorilla Glue to produce bigger yields and even higher THC is Supercropping, this is because the stress inflicted on the plant often causes the plant to increase nutrient uptake and increase trichome production. Gorilla Glue being a trichome rich plant works wonders with Supercropping. Read more on how to train your cannabis plants

Gorilla Glue #4 is a 50:50 indica/sativa hybrid, on average the plant grows to around 200cm tall and has a dense foliage of dark green leaves spattered with white crystals. The buds grow thick and solid and are heavily spread over multiple main bud sites. The buds themselves are a vibrant green colour with purple hues. The buds are so sticky and trichome rich that just simply breaking one open will fill a room with GG4’s famous musky, earthy, sweet aromas that will have you reaching for the rolling papers in an instant.

Gorilla Glue is a rare breed of cannabis, it wont quite compete with the likes of Big Bud and Incredible Bulk on size, but it knocks it out of the park when it comes to THC levels. Gorilla Glue has been known to have THC levels of up to 32% and for a plant that is also high yielding there will be a lot of good quality weed there to get you stoned. Gorilla Glue makes it onto our list of the best big yielding strains not because it is the biggest yielding plant, but to have a strain that is high THC and also produce yields of up to 600 grams per square meter is impressive.

Gorilla Glue #4 is widely known as one of the strongest cannabis strains on the market with THC percentages up to 32. The strain is not for the faint hearted and will give you one of the strongest highs you are likely to experience, when you smoke Gorilla Glue you will almost immediately be hit by its heavy full body buzz that will inevitably lead to couch lock.

Gorilla Glue is a very intense high so is probably best suited to smoking in the evening when you can relax or simply if you have a day off work.

Medicinally many users have reported that it is a great strain to combat stress or depression thanks to its intense euphoric highs, but equally it can be used as a natural pain relief or muscle relaxant.

Gorilla Glue thanks to its trichome covered buds gives off an incredibly strong aroma of diesel with notes of coffee and earthiness. The taste is a strong skunky taste with undertones of citrus fruits and earthiness.

Gorilla Glue is a 50:50 hybrid cross of Sour Diesel, Sour Dubb, Chem Sister and Choc Diesel.

Incredible Bulk

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Incredible Bulk Feminised cannabis strain is a heavyweight champion among the most potent Indicas. It produces immensely high yields of dense resinous buds covered with sticky trichomes. Chunky and frosty, this strain is an excellent all-arounder; it's easy to grow, shows good resistance to pests, molds, and produces massive plants with near-bulk bud weight.

It has a great, generic skunk flavor that turns very sweet when the flowers mature. This plant has proven itself to be productive in indoor and outdoor environments, with sturdy stems and a relatively short growth cycle. When grown outdoors, the Incredible Bulk plant reaches approximately 220 cm. Indoors, the yield can vary between 500g – 900g per m² making Incredible Bulk some of the highest yielding seeds you can grow.

This exceptional strain was bred by legendary breeder Dr.Krippling and has gained worldwide attention for its big yields and potency. It is a three-way cross between Big Bud, Super Skunk, and Green Spirit. It also features THC levels of between 19%-22%. When you smoke Incredible Bulk, you feel a unique, varied high that may give you couch-lock at times.

Training techniques: Incredible bulk can grow really tall reaching over 220cm. To keep the plant under control and make the most of this strain try using the Scrog training technique to boost your yields. Read more on how to train your cannabis plants.

These cannabis seeds offer a perfect blend of dense buds and vibrant colors, such as purple and blue. Her considerable growth features tons of potent deep green nugs with classic skunk aromas. Made from three generations of Indica dominance in cannabis seeds, Incredible Bulk will take you on a smooth ride into new worlds.

This high yielding cannabis strain grows to about 220 cm tall and rocks a great appearance. The buds are large and very dense yet fluffy and incredibly resinous, forming a beautiful frosty look. It yields about 600g/m2 on average.

Incredible Bulk Feminised is a super-sized, extra Indica. This strain has heavy Indica qualities and will sedate the body and mind when consumed in the evening or before bed. When smoked or vaporized, this bud produces a deeply relaxing sensation that eventually leads to an intense state of sedation, where social inhibitions fade, and creativity is given free rein.

The Incredible Bulk is a highly long-lasting Indica that can creep up on you, so be careful!

The Bulk tastes and smells like pine. When you smoke it, its earthy flavor makes you think of hash.

Incredible Bulk was bred from a mix of Big Bud, Super Skunk, and Green Spirit, three huge yielding strains all combined into one huge yielding cannabis plant with genetics to truly love. Grown outdoors or under lights, it will produce sweet-smelling buds with a heavy covering of resin crystals. This giant yielding 80 % Indica/ 20 % Sativa hybrid is a must-have if you are into bulk!

Super Skunk

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An 80:20 Indica dominant Super Skunk is famous for its intense skunk flavours and its full body Indica high. Super Skunk was the creation of Sensi Seeds and first came to fruition from their hybrid breeding project that aimed to improve upon existing strains with Afghani roots such as Skunk #1 and Shiva Skunk with the aim to perfect the Afghani genotype and create the perfect strain, and we think Super Skunk came pretty close.

Super Skunk is a near perfect strain for cash croppers because it achieves three of the most important attributes of a cannabis plant; high yielding, high THC percentages & fast flowering times and it even contains a decent amount of CBD. It is very rare that you come across the holy grail of strains that achieves all three but I think Super Skunk comes as close as you are likely to get.

Training techniques: Super Skunk is a very versatile strain and works well with most techniques however, as it is a short indica it works best with SOG where you can pack lots of plants into a smaller area and really use your grow space efficiently to maximise yields. Read more on how to train your cannabis plants.

Super Skunk thanks to its Indica genetics is relatively short and busy and grows to a medium height of between 120-180cm making it a great strain to grow indoors because it is easy to maintain. The plant itself is very compact and when it is in flowering it will become dense with a thick foliage and solid buds with heavy branches to support the weight. Super Skunk is a very versatile strain and performs equally well if grown outdoors and the plant can yield to 600g/m2 which is impressive for a strain that can flower in as little as 8 weeks. It is known that Super Skunk can also withstand harsher environments too and performs well against pests, mould and disease making it a great choice for connoisseurs and beginners alike.

If you are a Skunk enthusiast then you cannot go wrong with the likes of Super Skunk. High THC and High Yielding Super Skunk is a perfect all rounder and with short flowering times she is also an great strain for cash croppers.

Super Skunk gives you a nice full body stone and will leave you feeling relaxed with that typical indica high. It is a great strain for medical users because it has been recorded to contain up to 2.5% CBD and up to 22% THC which makes it ideal for pain relief, insomnia, anxiety, headaches and stress. Equally recreational users will enjoy the high just as much and it will leave you in a euphoric spaced-out state feeling relaxed and without a care in the world. Super Skunk is definitely a night-time chillout strain and it is definitely recommended to keep some snacks nearby because you will get a serious case of the munchies. Super Skunk is also reported to be used by people suffering from more serious medical conditions such as seizures and it is also known to be appetite inducing which can help with those suffering from nausea induced by chemotherapy.

Super Skunk has an overpowering Skunky earthy smell that is easy to pick out among other cannabis strains. The buds are solid and dense and if you break one open you get an intense ammonia like smell that will remind some of the smell of cheese with undertones of citrus.

No wonder Super Skunk is a big yielding strain, this indica dominant hybrid is a cross of Skunk #1 and Afghan; a revered high yielding landrace.

Critical Mass

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Critical Mass is a 65:35 indica hybrid that is famous for its oversized buds. They can grow so large that in some instances they have been known to bend and snap the branches of the plant under their weight. Critical Mass is a similar strain to Big Bud, the main difference being that it has a slightly higher THC percentage ranging from 18 to 22, which is unusually high for a high yield strain.

Critical Mass is ideal for any cash cropper, with its big yields, high THC and fast flowering times you will have a plentiful supply of potent bud in record time.

Training Techniques: Fimming and topping both work great with Critical Mass and with the extra bud sites created you will really get some impressive yields. Read more on how to train your cannabis plants.

What is most noticeable about the appearance of Critical is the density of the buds and the size of them which is comparable to that of a clenched fist. Thanks to its Indica genetics the plant grows out wide and will have a dense foliage of leaves with clusters of enormous trichome smothered buds spreading across the plant. Its branches naturally grow thicker than the average plant however it is advisable to support some of the heavier bud laden branches to prevent them from snapping under their own weight.

Critical Mass can be susceptible to mold, so during flowering ensure that the air flow in your grow room is good and check the plant regularly. However other than this Critical is a strain that is relatively easy to grow and highly versatile. Critical Mass can grow indoors or outdoors and has been known to produce of up to 7 pounds of bud which is why this strain makes it onto our best high yield strains list.

Critical should be a smoke that you reserve mainly for night-time use because it often induces a heavy sleep. Many users report a full body buzz and clear headed creative high leading into a relaxed and sedated feeling lasting a few hours. Because of the sedative effect and its relatively high CBD percentage (5%) Critical Mass is an ideal strain for insomnia and those suffering with anxiety or chronic pain, others have also reportedly used Critical Mass for Nausea, Migraines and inducing appetite.

Critical Mass is best known for its pungent smell consisting of tones of skunk, citrus and earth. The smoke from Critical Mass is much sweeter than one might guess from the smell, the taste itself has hints of fruitiness and honey and is a very pleasant smoke.

Critical Mass is the offspring of two big yielding parent strains, an Afghani landrace and Skunk #1.

Super Lemon Haze Auto

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Green House Seeds Super Lemon Haze truly stands out from the crowd. This two-time Cannabis Cup winner was created by crossing Super Silver Haze with a heavy lemon-scented strain aptly named Lemon Skunk to give you one of the highest yielding autoflower strains in the world. The plant proliferates and flowers in about nine weeks, producing compact, crystal-covered buds with an abundance of sticky resin. Its incredible high is cerebral, as well as physically and mentally stimulating. Super Lemon Haze has a sweet flavor that is balanced by the smooth taste of citrus fruits.

Super Lemon Haze Auto is one of the most popular auto-flowering marijuana seeds on the market, and for a good reason. Due to their Sativa dominant genes, the plants are straightforward to grow and require a lot of light – at least 18 hours per day. They can grow to a height of 100cm, but don't worry, this won't make it difficult to hide them in your closet. These little ladies are suitable for both indoors and outdoors and will reward you with dense nugs loaded with THC crystals and a taste that will make you smile for hours.

It is rare to find an autoflower that ticks all three boxes with regards to fast flowering, big yields and high THC levels, but Super Lemon Haze Auto comes very close to being the holy grail of cannabis strains.

Training Techniques: Grown using the Sea of green method this high yield autoflower strain will really allow you to take advantage of the space in your grow room.

Lemon Haze Auto has the typical bushy appearance of a Sativa, with purple-leaved and resinous buds. Her height is approximately one meter, making her suitable for indoor cultivation without compromising yield.

The Super Lemon Haze Auto is a Sativa dominant strain that is easy to grow and blooms quickly. Being one of the highest yielding autoflowers she naturally grows huge buds that are covered in resin crystals with a thick foliage. She reaches a medium 500 g per m2 indoors. Because of the Ruderalis genetics added to her pedigree, the flowering period for Super Lemon Haze Auto can be reduced to about seven weeks, which makes this a popular cannabis strain among cash croppers who are looking for big yields and fast results.

Super Lemon Haze is a true one-of-a-kind and intricate Sativa-dominant hybrid. It has almost no noticeable Indica characteristics; its high is primarily cerebral, with only a light body high to supplement it. This strain gives users a very focused and uplifting head high that leaves them motivated and energized.THC levels in Super Lemon Haze are around 20% on average. Expect to feel energized yet relaxed, with a creative boost, making this marijuana strain ideal for social situations.

Super Lemon Haze imparts a sweet citrus flavor to the body. Connoisseurs adore its tangy, earthy, spicy, and sweet aroma, which takes the senses on a zesty journey. This variety doesn't have a leathery, dank odor; instead, it has an aroma that floats over your senses like lemon syrup. Sweet terpenes combine to create a lingering scent that emanates from the bag.

Lemon Skunk Haze, also known as Super Lemon Haze, is a hybrid of Lemon Skunk and Super Silver Haze. It's an 80/20 Sativa/Indica hybrid with a THC content ranging from 18 to 24 percent. It takes an average of 12 weeks to grow indoors and 9 to 10 weeks to grow outdoors during the warmer months, but it can be grown from seeds all year.

Mimosa

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Mimosa is a Sativa dominant hybrid with a taste of berries and spice. Mimosa can be described as an invigorating energetic high that will leave you feeling uplifted. The plant has an almost piney, clean-cut scent with a purple hue to the leaves and buds. Smoking a small amount yields a full-body stone, while smoking more delivers an entourage effect that at times can leave your imagination in overdrive.

This high yielding strain will grow into a beautiful marijuana plant that is an almost alien-like variation of the classic Clementine and a Purple Punch. This little lady produces a lovely and uplifting high. With a relatively high THC, this plant packs a much heavier punch when it comes to the cerebral buzz.

Mimosa is a strain that quite literally sparkles in your hands. It has a very appealing look with its dense buds covered in trichomes and bright orange hairs. The buds have a spade-like appearance and can be hand trimmed if required after harvest to help maintain their shape. Mimosa is a beautiful and highly potent Sativa strain, reaching around 3-6 feet (130-180cm).

She’s straightforward to grow, but you should keep in mind that she has a powerful aroma. Installing a carbon filter, air conditioner, or an air purifier to dissipate the smell in an indoor grow will work well. She yields between 500 and 600 grams per m² with ideal conditions. Mimosa feminized cannabis seeds produce big yielding plants that have a flowering time of 8-9 weeks on average.

Mimosa is a powerful strain with a THC content that can reach up to 25%. The potency is high, but the effect is pure relaxation, with users experiencing an upbeat and creative high. This is your wake-and-bake strain because it gives you an uplifting head high without the sluggishness that most daytime strains give you.

It is ideal for patients suffering from anxiety and depression, as well as chronic aches and pains, due to its quiet buzz. Mimosa is best enjoyed in the morning or afternoon when you need to focus on daily tasks.

If you want an exotic cannabis strain that will transport you to the tropics, try the tropical-flavored Mimosa. It has a strong note of fruit punch and tangerines when you first smell it, and its taste is similarly tropical, with intense hints of lemons and berries.

Mimosa touts a 70:30 sativa/Indica ratio. Its two parent strains, Purple Punch and Clementine are responsible for its sweet taste and aroma. The latter provides a zesty citrus-like flavor, while Purple Punch brings with it an energizing body buzz.

Expect to feel at ease and have clarity of mind after using Mimosa. Mimosa feminized cannabis strain is highly versatile and flowers within eight weeks or less. You’ll be able to enjoy the best of both worlds from this incredible strain. It gives you an uplifting high that doesn’t make you sleepy and a relaxing body stone.

Money Bush

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Money Bush Feminised is a potent cross of two high yielding, hard-hitting genetics, Critical Mass and Afghani. These parent strains have proven to produce large crops of dense, compact buds and high yields. Money Bush offers the commercial grower a hardy plant that is easy to nurture and grow while not sacrificing yield.

This Cannabis Cup winner, developed by Heavyweight Seeds, will leave you speechless, as its dense buds are almost entirely covered in resin glands. Outside, it produces exceptionally resinous, heavy flowers with an unmistakable fragrance that may raise eyebrows if you have nosy neighbors. It has a THC level between 19%-22%.

Money Bush certainly lives up to its name, producing more than 600g per 600w light and yielding a significant amount of bud in 7 to 8 weeks. Money Bush is a highly potent strain and this combined with its big yields make it ideal for commercial growers. It's also an excellent choice if you want to maximize your yield, as indoor growing conditions are never absolutely perfect.

Money Bush has a predominantly Indica appearance, with light green leaves that are coated in thick resin. The leaves grow in a pointy shape, and the buds are dense with shiny trichomes. As this strain grows, it gets very bushy. Although small in stature, this plant develops healthy foliage and fits neatly within its place of cultivation, providing you with enough weed for your needs.

Because of the compact size and dense buds Money Bush are the perfect type of high yield seeds to grow where space is limited making this a popular strain among home growers and cash croppers. Money Bush would be an excellent choice for someone that is limited on space but doesn't want to grow an autoflower strain.

The Money Bush has the potent effect of a sedative, producing a physical stone that can last several hours. Also known to cause couch-lock, the feeling you get when you're so high that you want to chill out on the sofa while listening to your favorite music. Overall a great strain to have in your medicine cabinet for treating severe conditions like depression or insomnia.

The taste is sweet and spicy, with a dominating pepper taste that gives way to a fruity tang. The flavor is similar to the smell, with a little bit of earth in it. The high creeps up on you, slowly building as the smoke goes into your lungs. It's long-lasting and intense once it gets going.

Money Bush is an Indica-dominant (80% Indica, 20% Sativa) hybrid that resulted from the cross of the highly potent and resilient Afghani and Critical Mass. It is an excellent choice for beginners, as it grows short and bushy with large leaves. In just eight weeks from germination, these plants will produce high yields, with indoor cultivators reporting 600g/m2 or more from a sea of green grow and outdoor growers getting 600g-900g/plant.

Purple Skunk Auto

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Purple Skunk Auto is another great strain originally bred by Sensi Seeds. Ideal for cash croppers Purple Skunk Auto is one of the highest yielding autoflowering strains that you are likely to find. She can also flower in 7-8 weeks which is a rare combination for a cannabis strain and with its stunning colourful buds Purple Skunk Auto will have tons of bag appeal. Because the plant is short, typically staying under 120cm, it is a great strain for guerrilla or indoor grows where space is limited. Purple Skunk Auto is a highly versatile cannabis strain and thanks to its ruderalis heritage the plant can also handle cold climates well and can even flourish under these conditions.

Training techniques: Purple Skunk Auto works excellent with LST and ScrOG where you can really take advantage of the natural short stature of the plant. Because it is a high yield autoflower, Purple Skunk Auto will also work well with the 'Sea of Green' technique that will allow you to fit lots of small plants into a compact area and use up every bit of grow space. Read more on how to train your cannabis plants.

Purple Skunk Auto has a bold green colour with purple hues giving the plant its distinctive appearance. The plants can differ in appearance from one another due to the variation of phenotypes that the genetics hold. If you were to grow ten Purple Skunk Auto seeds it is likely you would have two or three different looking plants at the end.

Despite being an autoflower Purple Skunk Auto is pound for pound one of the highest yielding strains you will find. As with most autoflowering strains Purple Skunk Auto is short, compact and typically pyramid shaped with multiple thick central colas making up the bulk of the yield. The buds themselves grow unusually large for an autoflower and have a vibrant purple colour to them that becomes more noticeable if the plant is grown in colder climates. Purple Skunk Auto although short has some of the biggest yields seen on an autoflower, this paired with the unique purple colour makes this a great strain for cash croppers.

As with most Indica dominant strains Purple Skunk Auto will give you a full body euphoric relaxed feel without being too couch locked. It is an ideal strain for people suffering with depression or stress because it leaves you feeling uplifted and cheerful and many users have reported its mood enhancing qualities. It does have a relatively high THC percentage for an auto too and has been reported to be excellent at relieving chronic pain thanks to the numbing effect on the body.

Because of its mood enhancing qualities Purple Skunk Auto is a great bud to smoke during the morning to give you some extra energy to get through the day.

Purple Skunk Auto has a distinctive pungent aroma that can be overpowering, this is why most people choose to grow this strain outdoors. As the plant develops and the buds begin to grow she will begin to give off musty aromas of skunk and wood that will fill a room. The flavour of Purple Skunk is equally as unique with a lot of the same tones present but a hint of sweet and spiciness.

Purple Skunk is a 75:25 indica dominant strain, its parent plants are Hindu Kush Auto, Skunk #1 & Shiva Skunk. Grown in ideal conditions Purple Skunk Auto is one of the highest yielding autoflowers you can get.

Critical Mass CBD

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Like Critical Mass, the CBD version is a 65:35 indica dominant hybrid cross of Afghani and Skunk #1. The balance of CBD and THC levels provides a comfortable high without any of the negative side effects some cannabis strains can give you such as paranoia or anxiety. Critical Mass CBD made it onto our list of top 20 highest yielding strains because we wanted to give our medical users something and she is by far the biggest yielding CBD rich strain we have come across.

If you are looking for a high CBD and high yield strain Critical Mass CBD hits the nail on the head and with its Skunk and Afghan lineage Critical Mass CBD is the perfect strain to make oils and tinctures with.

Training techniques: Critical Mass CBD works great with Sea of Green, it is relatively short so is an easy strain to keep small but crank out multiple plants at a time. It is also well suited to ScrOG where you can achieve some impressive yields that will make you some great CBD oil or wax. Read more on how to train your cannabis plants.

Critical Mass CBD’s appearance lives up to its name and the plant is certainly a big yielder, what is most striking is the size of the buds that often will dwarf the leaves when in full bloom. Most CBD rich strains have considerably smaller yields, however Critical Mass CBD has consistently high yields of 450 – 500g/m2 which is why she is an excellent strain for medical growers and a great strain to make CBD oil with. Because of the size of the buds many growers have found the need to support the branches once the plant goes into flowering to prevent them from bending or snapping under their weight.

Critical Mass CBD is a much milder smoke than most standard high THC strains and with its combination of CBD and THC gives users a strong feeling of Euphoria and relaxation when smoked. It is the perfect strain to unwind with after a long day without having the couch locked feeling or waking up the following day feeling groggy. Thanks to the high level of CBD she is great for insomnia sufferers and after smoking Critical Mass CBD you will sleep like a baby. Critical Mass CBD is also a well-suited strain for stress & pain relief, many users report utter relaxation with this strain and having a sense of calmness leaving their stressful thoughts behind. With the balance of 6-9% CBD and 6-9% THC Critical Mass CBD gives users a balanced high with very few users ever having reported negative effects such as anxiety or paranoia. Because of the high levels of CBD in this strain many users have also reported using it for chronic pain or inflammation.

Critical Mass CBD will grow into a dense bushy plant with big buds, the buds will give off an earthy, skunky aroma with a hint of sweetness and citrus flavours. When smoked the tastes are immense, Critical Mass CBD has a strong sweet taste with fruity undertones that will keep you coming back for more.

Critical Mass CBD is a 65:35 indica dominant hybrid cross of Skunk #1 and Afghani.

Power Plant

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A winner of multiple cannabis cups including the High Life Cups of 2008 and 2009, Power Plant is a veteran of a strain that originates from South Africa and was brought to the Netherlands in the early nineties. Now due to its popularity Power Plant or a variation of the original strain can be found in just about every coffee shop and seed bank across Amsterdam. Power Plant as you can imagine from the name is a strong smoke that is known to give its users a smooth smoke and a trippy high that leaves you feeling uplifted and sociable. But not only is this plant dangerously potent it is also one of the highest yielding strains, which means you will have a plentiful supply of big juicy buds.

Training Techniques: Power Plant is a monster of a plant and if you use training methods effectively with it you can exceed yields of 700g/m2. Being Sativa dominant Power Plant can grow very tall, if you are growing indoors it can work great with Supercropping whereby the method of bending the branches into a wider more space efficient shape will actually support and reinforce the plant as it grows into its new form. Read more on how to train your cannabis plants.

Famed for its huge yields growers have recorded plants with up to 700g/m2 of bud which is astounding for any strain. Growing with these high yield seeds is certainly a step in the right direction if you want to increase bud production. Power Plant is a 65:35 sativa dominant strain and is suited to both indoor and outdoor grows, however it performs best in a greenhouse because of its sativa genetics. If growing outdoors Power Plant is best suited to hot humid environments. She is bright green in colour and will grow in a typical tall sativa shape with long branches heavily clustered with leaves and buds that can span 20-30cm long creating enormous colas. Power Plant is known to be a very stable strain and because of this it is an easy strain to grow although it wouldn’t be my first choice as a beginner.

You can be confident of a great smoke from any strain that has been a staple of Amsterdam’s coffee shops since the nineties and Power Plant doesn’t disappoint. The initial hit will give you a full body buzz that will gradually escalate into a head stone that makes you feel awake and talkative. She is a great daytime smoke and is the perfect strain to smoke in a social environment or simply if you are a creative and looking for some inspiration. Many users report having racing thoughts and feeling sociable which clearly stems from the plants Sativa heritage. Power Plant contains a fair amount of CBD too which is why many users report it being great for treating depression, pain and appetite issues.

Power Plant is an incredibly smooth smoke, hence why it has been a coffee shop favourite for the last 30 years. The strain isn’t your typical cannabis taste, it lacks the sweetness of most strains but more than makes up for it with the depth of flavours that come through including woody and earthy tones.

Power Plant is an African landrace strain that was brought from South Africa to The Netherlands in the early 90’s and has since been bred for stabilisation. The genetics have remained mostly unchanged, however because of the strains popularity there are lots of variations.

G13

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Our list wouldn't be complete without a high yielding strain that holds legendary status and G13 Haze is one of the most famous cannabis strains in the world. It has been a staple of almost every Amsterdam coffee shop since the nineties. According to cannabis folklore the story is that in the 60's G13 Haze was developed in secret at the University of Mississippi by the CIA & FBI only for one of the lab technicians to steal a clone that led to the strain being bred for the masses shortly after. Of course this may all be rumours but it certainly makes the strain even more intriguing.

Cannabis folklore out of the way, what we do know for sure about G13 Haze is that it is a potent strain that came about in the 70's and truly cemented its legendary status in 2006 & 2007 by winning the world famous Cannabis Cups best Sativa category. For growers that want a strain that is both sativa dominant and big yielding then you cannot go wrong with G13 Haze.

Training techniques: One of the reasons why G13 has been a popular strain for so many years is its versatility. G13 can easily be grown using any training techniques, however bare in mind that it does grow tall and so LST methods will work well if you are trying to limit the plant height as well as train its shape. Read more on how to train your cannabis plants.

Despite G13 Haze having won two Cannabis Cup titles in the best sativa category the plant itself stays relatively short and bushy compared to your average sativa. She will be a vibrant green colour and looks like your stereotypical marijuana plant with dense buds covering the thick branches. The buds themselves will be covered in bright orange hairs and are not huge however don't be fooled by this as they are known to be so dense and tightly packed that they have been compared to stones hence why G13 Haze is among our top high yielding strains list.

Growing with these high yield seeds is ideal for cash croppers or anyone that wants a big yielding sativa dominant strain. Make sure you have lots of room to grow G13 because the plant can grow very tall. If you are growing indoors then using LST training will help you keep the plants height down whilst also helping you to increase your yields.

When you first smoke G13 Haze's you will understand why it has retained its popularity and almost cult-like status for so many years. The strain contains around 22% THC and packs quite a punch when smoked. The very first hit of G13 will leave you with a long-lasting full body tingle leaving you in a state of euphoria. The effects of this can leave users feeling dazed and in a trance-like state.

Other than the obvious relaxing qualities of G13 Haze the strain was originally developed to be medicinal and its uses are far reaching. Many users have reported using the strain to relieve aches and pains, tightness in muscles and headaches as well as being able to use it as an appetite stimulant which makes it a great strain for those having chemotherapy. Because of its relaxing and uplifting effect G13 Haze is also great for those suffering with depression or anxiety.

G13 Haze's smoke is just as legendary as the story of its creation. The strain is very sweet tasting with undertones of citrus fruits reminiscent of tropical fruit drinks. The aromas from the strain are equally as tantalising and when the plant is in full bloom your room will be filled with smells of sweet skunky with hints of citrus.

Because the mysterious background story of G13 Haze's development the genetics of G13 Haze and its parents are unknown but what we are sure about is that G13 was crossed with a big yielding Hawaiian strain to create G13 Haze.

Critical Kush

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Critical Kush is an Indica-dominant strain that blends the award-winning Critical Mass's pain-relieving properties with the effects of the original OG Kush. The aromas are intense and earthy, with traces of sweet skunk, and the flavor notes blend woody pine with a citrus aftertaste. The brilliance of Critical Kush is that it is both high yielding and simple to grow. Its genetic make-up is 80 percent Indica and 60 percent Sativa meaning that while its yields are big the plant stays rather short.

With proper care, it should flower in 7-9 weeks. Indoors, you can expect to harvest 450-550 grams per square meter, and outdoors, you can harvest 450-550 grams per plant. Expect large, resin-rich flower clusters (colas).

This California native creates a strong body high that relaxes muscles and relieves chronic pain, stress, and insomnia. It has a 14-22 percent THC content that is calm and mellow. Users will experience a quick-hitting Sativa-style high that begins in the head and eventually spreads across the body to create a warm tingling sensation. The high has a happy and uplifting cerebral impact that can help ease you into a state of daydreaming relaxation.

Critical Kush has medium-sized flower clusters and a loose, open structure with long branches. The leaves area mixture of light and dark green, with orange stigmas and abundant resin. If left uncut, these plants can grow to be up to four meters tall. It is the ideal genetic combination for growers interested in using SOG or Scrogging techniques where you can really see big yields. This lovely lady has an 8-week flowering period and will reward her grower with a grand harvest of 550g/m2.

Critical Kush blends the best genes from both parent strains to produce a hybrid with strong Indica effects but with a Sativa twist. If you're looking for an alternative to solid Indicas, Critical Kush Feminized is the strain for you. The strain will leave you feeling relaxed, happy, and euphoric while still allowing you to get on with your day.

This high yielding marijuana strain is an excellent option for medical users searching for a hardcore couch lock effect to combat pain, migraine, stress, muscle spasms, nausea & appetite loss.

The flavor and aroma are best described as earthy and fruity, with a potent combination of myrcene's pine fragrance and the citrus-like terpenes limonene and pinene. This strain's scent is reminiscent of a fresh forest, thanks to the combination of these notes.

The Critical Kush is a cut above average, with yields of up to 550 grams and THC levels ranging from 14 to 22 percent. This is a high-yielding Indica-dominant hybrid (80% Indica, 20% Sativa) cross between the high yielding Critical Mass and OG Kush.

White Widow

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White Widow is another strain that is of legendary status and is a go-to favourite for most cannabis users. It is a hybrid strain roughly 50% Indica & 50% sativa with some breeds airing more towards sativa dominance. White Widow became famous in the early 90's when it was bred from South American Sativa and South Indian Landrace, it quickly became one of the most popular strains in the coffee shops of Amsterdam and went on to win the Cannabis Cup in 1995 followed by various other cannabis awards. White Widow was specifically bred to have a high trichome count hence its white appearance and high THC percentages ranging from 20-22%. Today White Widow is still one of the most popular strains and is sold worldwide by cannabis seedbanks.

If you are a cannabis connoisseur that prefers the old school dutch genetics then you can't go wrong with White Widow. Not only is it one of the original strains but you will also get a big yielding and high THC plant that glistens with tricomes.

Although not the highest yielding strain on our list we felt that its legendary status more than earns its place. There are some great crosses of White Widow out there such as White Widow Max from MSNL seedbank. This is a White Widow X Critical cross that will produce yields of up to 600g per square meter.

Training Techniques: White Widow is already a naturally very trichome rich plant, Supercropping can enhance that even more so. The additional stress that is inflicted on the plant will not only increase yields but also boost trichome count. Read more on how to train your cannabis plants.

One glance at a White Widow plant in flowering and you will see immediately where the strain got its name. The plant is a deep green however when in flowering the leaves and buds are completely covered in crystalline trichomes that give off White Widows famous skunky smell. The plant grows tall but because of its Indica genetics stays relatively bushy and dense with big solid buds. White Widow is a versatile plant and can be grown anywhere, however because of its sativa lineage to get the most out of the strain she is best in hot humid environments where you can expect yields of 500+g/m2.

Although these may not be the highest yielding seeds on our list, White Widow is a great strain for commercial growers that want plenty of bag appeal with the legendary name on offer.

White Widow gives users a relaxing vivid long lasting high known for inspiring creativity. Many users report feelings of euphoria and an overwhelming warm body buzz. White Widow is a great strain for daytime smokers that want to avoid that couch lock feeling, she will leave you feeling relaxed but awake and sociable. Enthusiasts have also reported the high as inducing a tunnel vision like focus on some mundane tasks such as puzzle building or housework.

Many users have reported that White Widow is a great strain to combat Pain, anxiety and depression thanks to its calming and uplifting effect.

White Widow has a very distinct look thanks to the white trichome covered leaves and buds and the flavours and smell are just as pleasant. When you break open one of the dense trichome covered buds the aromas are almost overwhelming, you will start to smell an earthy, spicy scent with hints of citrus fruits that waft up your nose. When smoked White Widow is packed full of flavour and is almost sugary sweet with undertones of earthy spiciness and citrus fruits.

White Widow is a 50:50 cross of Brazilian Sativa and Indian Indica.

Trainwreck

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Originating from the Emerald Triangle in the US this California classic is both a high yielding strain and has THC levels recorded of up to 25%. Legend has it that the strain got its name when a group of underground cannabis farmers were breeding the strain when a train crash happened near the farm, with fear of the authorities discovering their cannabis farm the farmers had to quickly uproot their entire crop and move the grow to another location, hence the name Trainwreck. Others say the strain got given its name because of the state it often leaves users in with its high THC percentages. Either way Trainwreck is an old school strain from California that more than lives up to its reputation.

Whether or not you choose to believe the cannabis folklore Trainwreck has an impressive resume. Not only has the strain won multiple awards but she is also one of the biggest yielding, high THC strains out there. If grown outdoors the plant can grow huge and has been known to reach up to 20 feet in height.

Training techniques: Trainwreck naturally grows tall and with a huge central cola, to make the yield more evenly spread with multiple large bud sites try topping the strain, this is a technique whereby you remove the apical stem forcing the plant to grow out wider and produce multiple bud sites. Read more on how to train your cannabis plants.

Trainwreck is a tall sativa dominant strain that has been known to grow above 8 feet high with thick stalks and strong roots. Although tall Trainwreck plants do not require a huge amount of maintenance apart from the odd bit of trimming, so providing you have the space to grow them it is an easy strain. Being tall Trainwreck is an ideal strain for LST and using this training technique will allow you to really boost your yields.

The plant is a bright green colour with long thin leaves and buds that can span up to 20-30cm of a branch creating enormous colas which is why she can yield up to 700g/m2 under the right conditions. Because of the length of the branches and the size of the bud this strain can produce it is advisable to provide them with some support as the plant develops.

Trainwreck although sativa dominant does give users a warm indica body stone that gradually leads into a more uplifting and pain numbing buzz. It is known to leave users on occasion feeling couch locked so is best smoked either in the evening or when you don’t have too many plans for the day. Apart from the dry mouth and eyes it will leave you with, the high from Trainwreck is very pleasant.

Most medical users report the strain to be excellent for treating ADHD, PTSD and stress related conditions thanks to the strains natural ability to relax your muscles and induce cerebral effects.

When you harvest the Trainwreck you will notice the dank moist texture of the heavy buds, they will be covered in white trichomes and as you break them open will fill the room with the smell of pine and cedar with hints of citrus fruits.

When smoked the bud will have a refreshing pine taste with sweet citrus fruits and an after taste that is reminiscent of a sugary lemon.

Trainwreck was supposedly the creation of two Californian brothers in the mid 70’s. It is a cross of three staple cannabis strains Thai sativa, Mexican sativa and Afghani indica that all combine to give you big yields and high THC.

Big Bomb Auto

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10 highest yielding strains by size

1. Big Bang

2. Big Bud

3. Incredible Bulk

4. Trainwreck

5. Money Bush

6. Power Plant

7. G13 Haze

8. Gods Glue

9. Critical Mass

10. Critical Kush