Top High Yield Strains List: Indoor & Outdoor Seeds

Best high yield strains list: 22 of the highest yielding marijuana strains to grow indoors and outdoors for maximum harvest weight. Cannabis seed strains with the biggest yields ever recorded.

The highest yielding strains of weed grow tremendous quantities of buds that amount to extra heavy harvests. High yield strains are the most profitable to grow on a pure weight basis. Hence why they're also known as cash crop strains.

This list contains the best high yield strains for indoor and outdoor growing. Some indoor strains may grow outdoors with great results and vice versa. You can grow these productive weed plants wherever you want by purchasing high yield marijuana seeds.

Every high yield strain listed below is ready to buy as feminized or regular seeds with quick US delivery.

Glookies

Glookies, a robust mostly indica strain from Barney's Farm, merges the formidable genetics of Gorilla Glue with Thin Mints Girl Scout Cookies, creating a powerhouse in the yield department. This weed thrives in both indoor and outdoor setups, maturing into moderate-sized plants with expansive side branching, culminating in an abundant harvest by early October. The buds, dense and coated with resin, exude a complex aroma of sour and nutty notes, making for a compelling experience. Glookies unleashes a potent, euphoric stone that carries a hefty 25% THC content, marking it as a top choice for those seeking maximum return from their grow.

Buy Glookies Seeds🌱

View Feminized

Critical Mass

Critical Mass, a reworking of the famous Big Bud, excels in high yield production, making it a prime choice for growers aiming for the biggest harvests. This strain, bred by the pioneers Nevil and Shantibaba, inherits its large yield potential from a blend of Afghani and Skunk #1 genetics. It produces dense, heavy buds that carry a distinct skunk and lemon scent with a sour undertone, delivering a powerful, body-focused effect. Ideal for indoor cultivation due to its quick flowering time, Critical Mass is ready for harvest in late September or early October outdoors. A straightforward grow with impressive results, it's a go-to for those seeking a high-impact, high yield strain.

Buy Critical Mass Regular Seeds🌱

View Regular View Feminized

Power Plant

Power Plant, a classic sativa-dominant breed with South African landrace genetics, is ideal for both new and experienced growers due to its exceptional yields and easy cultivation. This Dutch Passion strain thrives indoors and in warm climates, growing to manageable heights of 3 to 5 feet tall. Power Plant's flowering phase lasts about two months, culminating heavy harvests of dense, elongated buds with a high bud-to-leaf ratio and large calyxes. Notable for its sweet, spicy aroma and balanced high, Power Plant is also mold-resistant, making it a great choice for outdoor growing in humid conditions.

Buy Power Plant Seeds🌱

View Regular View Feminized

Mimosa EVO

Mimosa EVO represents the latest advancement of the renowned Mimosa strain from Symbiotic Genetics in the Emerald Triangle. This enhanced version boasts exceptionally high yields, along with increased levels of cannabinoids and terpenes. Optimized for indoor cultivation or warm outdoor environments, Mimosa EVO feminized seeds flourish best in these conditions. The plants are simple to cultivate, maintaining a relatively short stature indoors, while producing abundant large and frosty buds. Sweetened with tropical citrus flavors, Mimosa EVO buds offer a euphoric and relaxing experience, with a THC content exceeding 24%.

Buy Mimosa EVO Seeds🌱

View Feminized

Rainbow Glue

Rainbow Glue is a stellar cross of Gorilla Glue and Zkittlez that excels in both flavor and yield. This new indica-dominant hybrid from ILGM blends the heavy yield potential of Gorilla Glue #4 with the sweet, candy-like taste of Zkittlez. It grows into a medium-sized, bushy plant, suitable for both indoor and outdoor growing in warm climates. Rainbow Glue is easy to cultivate, producing dense, resinous buds that offer a balanced high of physical relaxation and creative stimulation. With an aroma that combines floral, earthy, and skunky notes and a flavor profile featuring hash and fruity undertones, Rainbow Glue is a top pick for connoisseurs and cultivators alike.

Buy Rainbow Glue Seeds🌱

View Feminized

Blue Dream

Blue Dream, a famous American sativa-dominant hybrid of Blueberry and Haze, swiftly gained nationwide popularity, becoming one of the most profitable outdoor cannabis strains on the West Coast. Notably, some growers report yields of up to ten pounds per plant. This strain rapidly grows in height, with more stretch to come during flowering, and is typically ready for harvest by mid-October. It produces large buds with a fruity flavor and a bluish tint, bearing around 20% THC. The effects of Blue Dream balance between heady and stoney. Its feminized seeds are constantly in-demand at top marijuana seed banks.

Buy Blue Dream Seeds🌱

View Feminized

Dos Si Dos 33

Dos Si Dos 33 is a culmination of Californian genetics with astounding terpene profiles that grow the most competitive yields of exotic weed. This strain, a complex blend of OG Kush Breath, Face Off OG, Cookies Kush, and Gelato #33, matures into squat, robust plants, ideal for indoor cultivation, and also thrives outdoors. Its aesthetic buds emit a captivating aroma of mint, lime, and cookies, with THC levels ranging from 22–28%. Dos Si Dos 33 promises a unique experience: an initial burst of euphoric energy followed by deep, tranquilizing effects, making it a high yielding, potent choice for weed enthusiasts.

Buy Dos Si Dos 33 Seeds🌱

View Feminized

Critical 2.0

Critical 2.0, an improved version of the fast-flowering, high-yield Critical+ cannabis strain, was developed by crossing Critical+ with a moisture-resistant phenotype. This new strain boasts improved yields, quality, and mold resistance. For optimal performance, Critical 2.0 feminized seeds are best cultivated indoors using SCROG or HST methods. It's advisable to prune the lower branches to encourage the growth of larger colas. The buds of Critical 2.0 are dense and resin-coated, emitting a zesty lemon aroma. Its effects are physically soothing and have a narcotic quality, with a THC content ranging from 18% to 22%.

Buy Critical 2.0 Seeds🌱

View Feminized

Super Skunk

Super Skunk is a groundbreaking indica hybrid made from back-crossing Skunk #1 with an Afghani strain. It boasts enhanced yields while preserving the distinctive stench of Skunk. Released in 1990, it clinched the mostly indica category at the High Times Cannabis Cup the same year. As one of the pioneering next-generation hybrids derived from Skunk #1, Super Skunk's performance remains top-tier among leading marijuana strains of 2025. This cultivar requires ample light and nutrients to develop its robust buds. These fast-growing plants are typically ready for outdoor harvesting by mid-September. Super Skunk weed features a classic skunky flavor and a notably pungent odor, with a THC content of up to 20%.

Buy Super Skunk Seeds🌱

View Regular View Feminized

Chocolope

Chocolope, originally bred by DNA Genetics, is a sativa-dominant hybrid that combines the genetics of Chocolate Thai and Cannalope Haze. The result is an outstanding grower in size and yield, especially outdoors. The strain adapts well to various indoor and outdoor growing environments, preferring warm and sunny conditions. Chocolope's buds exude a unique blend of chocolate and coffee aromas, promising an invigorating, cerebral experience. With a THC content around 19%, it delivers an energizing high, perfect for creative pursuits and overcoming fatigue. This strain is particularly favored for its ease of growth and massive yield potential.

Buy Chocolope Seeds🌱

View Feminized

Blue Gelato 41

Blue Gelato 41 is a Blueberry super-cross made with West Coast cannabis genetics. Created by blending the original Blueberry strain with Thin Mint GSC and Sunset Sherbet, this 3-way hybrid produces hearty plants with blue or purple flowers. Each plant is rich in resin, offering sweet and earthy flavors. A popular choice among indoor and outdoor growers alike, Blue Gelato 41 yields generously, reaching up to six feet in height outdoors for an abundant harvest in October. Blue Gelato 41 weed gives off clear-headed and energetic effects.

Buy Blue Gelato 41 Seeds🌱

View Feminized

Black Sugar

Black Sugar is a mostly indica strain that combines the robust genetics of Black Domina, LA OG, and Critical. This hardy Seedsman strain offers rapid growth and impressive production capabilities, boasting THC levels around 20%. The plant grows into a compact, bushy form with minimal branching, thriving both indoors and outdoors. Indoor cultivation yields an impressive amount, even in small spaces, while outdoor plants can produce several pounds each, thanks to its rock-hard colas. Black Sugar weed exudes an intensely fruity and pungent aroma. These dense indica buds are coated in shimmering crystals, inducing a potent, relaxing physical high.

Buy Black Sugar Seeds🌱

View Feminized

Purple Haze

Purple Haze is a legendary American weed strain with the same name as a Jimi Hendrix song. This sativa hybrid from hills of California provides electric psychoactive effects that can inspire creativity. Purple Haze plants yield the most indoors when their height is restricted with SCROG, topping, or training. Also great for outdoors, its big purple flowers have a natural resistance to mold. To enhance the purple hue, lower the temperature nearing harvest time. Purple Haze marijuana has sweet, earthy aromas and berry-like flavors, averaging 18% THC.

Buy Purple Haze Seeds🌱

View Feminized

Runtz x Layer Cake

Runtz x Layer Cake is a 50% indica/sativa hybrid that stands out for its exceptional yield potential. It's a genetic fusion of Runtz, Wedding Cake, GMO Garlic Cookies, Cookies Kush, and Skunk #1, culminating in a plant that thrives in various growing conditions and matures into sturdy, medium-sized plants. This cookies strain boasts oversized, resinous buds with a frosty layer of trichomes and delivers THC levels up to 27%. Performing well in both indoor and outdoor cultivation, Runtz x Layer Cake ensures a bountiful harvest, making it a prime selection for growers seeking a high yield without compromising on potency or flavor.

Buy Runtz x Layer Cake Seeds🌱

View Feminized

Amnesia Haze

Amnesia Haze is a popular and high yielding sativa-dominant strain, combining earthy and citrus flavors for an uplifting experience. This old-school sativa hybrid, with roots in Jamaican, South Asian, Hawaiian, Afghani, and Thai landrace strains, demands careful cultivation but rewards with abundant harvests. Perfect for sunny outdoor climates, it grows into wide, bushy plants that also excel indoors. Highly regarded for its cerebral, mind-altering effects and a significant THC level, Amnesia Haze is a solid choice for those seeking elevated yields of heady sativa weed.

Buy Amnesia Haze Seeds🌱

View Feminized

Big Bud

Big Bud, the definitive "cash crop" indica strain with roots in Afghani, Skunk #1, and Northern Lights, remains an all-star for cultivators seeking heavy harvests. Cultivated indoors, these responsive plants maintain a medium height while producing exceptionally heavy buds during flowering, necessitating support due to their weight. Outdoors, Big Bud performs best in warm and dry environments. The weed offers subtle, sweet, and hashy flavors, inducing classic indica effects like couch-lock, red eyes, and the munchies. As a prominent yield-focused strain since the 1980s, its genetics are also valuable in breeding to enhance the yields of hybrids.

Buy Big Bud Seeds🌱

View Feminized

Moby Dick

Moby Dick is a productive hybrid of Haze and White Widow that's named for its enormous main cola. This strain's yields are truly amazing when given the right care. Moby Dick is easy to cultivate but rather insatiable, meaning the plants require heavy feeding of bud nutrients to perform at their best. As a mostly sativa strain, Moby Dick gets tall and wide when grown outdoors, so the more space and water, the merrier. All of its branches will end up covered in massive buds, ready to chop by mid to late October. Moby Dick weed is covered in trichomes and smells lemony and woody. It has a psychedelic yet narcotic high with 27% THC.

Buy Moby Dick Seeds🌱

View Feminized

GSC Extreme

GSC Extreme is an extremely high yielding version of the famed Girl Scout Cookies weed strain from the West Coast. It boasts high THC at 21% and delivers fast-acting serene effects. On average, GSC Extreme plants grow up to 66 inches, so controlling plant height and accounting for stretch leads to the best yields indoors. When exposed to lower temperatures, the buds of GSC Extreme develop a purple hue. The mature buds emit a mint and chocolate aroma, maintaining the classic Girl Scout Cookies flavor.

Buy GSC Extreme Seeds🌱

View Feminized

Peyote Gorilla

Peyote Gorilla crosses the revered qualities of Peyote Purple and Gorilla Glue #4, offering an extraordinary yield and potency. Peyote Purple, a special variant of Bubba Kush, imparts an uplifting and stimulating effect, while Gorilla Glue #4, a favorite in the medical marijuana community, delivers a robust psychoactive experience. This hybrid showcases the best of both parents, yielding high THC levels ranging between 22–26%. The result is a strain that not only eases aches and pains but also transitions from an invigorating high to a soothing, relaxed state, making it a great option for patients seeking relief and tranquility.

Buy Peyote Gorilla Seeds🌱

View Feminized

Pineapple Express

Pineapple Express, a bountiful sativa-dominant hybrid, combines Hawaiian sativa and Trainwreck genetics to yield an impressive harvest. This strain flourishes in both indoor and outdoor environments, growing into medium to tall plants that develop dense, resin-packed buds. Bearing potent THC levels exceeding 25%, Pineapple Express's buds exude a sweet pineapple and cedar aroma with spicy undertones. It delivers a rapid, energizing sativa effect that transitions into a relaxed, yet focused high. Ideal for both medicinal and recreational use, its tropical taste and loud terpenes make it a top high-yield choice for enthusiasts and cultivators alike.

Buy Pineapple Express Seeds🌱

View Feminized

Grandaddy Bruce

Grandaddy Bruce, an indica-dominant hybrid of Grand Daddy Purple and Bruce Banner, boasts impressive aesthetics and marvelous yields. This strain features potent, dense, and sticky buds with striking deep violet colors. Feminized seeds of Grandaddy Bruce develop into robust female plants, best suited as an indoor strain due to their compact internodal structure. For optimal yield, topping is recommended when growing indoors. With a THC content reaching up to 28%, Grandaddy Bruce offers a potent experience. Its complex terpene profile exudes sweet scents and flavors reminiscent of grape and vanilla.

Buy Grandaddy Bruce Seeds🌱

View Feminized

Green Crack

Green Crack, a popular hybrid of Skunk #1 and Afghani, has taken the West Coast cannabis scene by storm with its light-green, energetic sativa buds. Growing Green Crack feminized seeds is straightforward in various indoor and outdoor climates, often yielding great results in both settings. When given ample space, these robust plants can grow into large trees, eventually producing dense, aromatic buds that are ready to harvest outdoors by late September. This strain offers a fruity flavor blend and induces intensely energetic effects, with a THC content reaching up to 22%.

Buy Green Crack Seeds🌱

View Feminized

Read Next: Best Bulk Cannabis Seeds For Sale