View 20 of the highest-THC cannabis strains best for growing—up to 35% THC. These genetics are some of the most potent hybrids available. If you’re looking for the strongest weed strains on earth, you’ve come to the right place. Each high-THC strain listed below is for sale as feminized seeds, with quick and discreet USA shipping.
Table of Contents:
Jelly Donutz
Jelly Donutz is an exquisite hybrid strain that emanates directly from the legacy of the original Emerald Cup-winning Runtz strain. The result of an extensive breeding, selection and back-crossing process, Jelly Donutz combines the powerful genetics of Jelly Donutz (#160 x #16), White Runtz and Hella Jelly to create premier genetics packed with an overwhelming 30–35% THC. This strain boasts absurd trichome production—ideal for hash production.
Jelly Donutz feminized seeds can adapt comfortably to indoor settings, requiring approximately 55 days to flower. Outdoor cultivators in northern hemispheres can anticipate a prime harvest time between September 25th and October 10th.
This cannabis marvel doesn’t drop the ball when it comes to flavor either, with a unique terpene profile that delivers tastes and aromas reminiscent of pink cotton candy, caramel, and fuel, ensuring a cheerful and energizing effect that defies its formidable THC percentage.
| Flowering Time | 55 days |
|---|---|
| Brand | Humboldt Seed Co. |
| Pack Size | 3/5/10 seeds |
| Yield | High |
| THC | 30–35% |
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Wingsuit
Wingsuit is an extraordinary, indica-dominant hybrid produced by blending Red Bullz and Gastro Pop. This feminized strain highly appeals for its unique purple hues at maturity and unparalleled THC quantities reaching up to 30% or possibly beyond. Known for its delicious grape candy terpenes, Wingsuit offers a taste that is as captivating as its looks.
Wingsuit seeds grow into medium-sized plants suitable for both indoor and outdoor cultivation, although some prior cannabis-growing experience may ensure maximum yield. While thriving at a height range of 39–79 inches based on environmental variables and roots’ space, these plants take about 8–9 weeks to complete flowering when grown indoors.
Notably potent, with striking floral and candy-like aromas, Wingsuit is not recommended for beginners due to its intense strength.
| Flowering Time | 8–9 weeks |
|---|---|
| Brand | Compound Genetics |
| Pack Size | 3/7 seeds |
| Yield | 350–450 g/m2 |
| THC | 30% or more |
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Gelato 41 BX
Gelato 41 BX, also known as Bacio Gelato, is a spectacular, indica-dominant strain bred by Sherbinski renowned for its ease of cultivation and exceptional THC content. It’s a result of Gelato #41 being back-crossed with itself to seal in sought-after traits.
Boasting adaptability to various climates and environments, it’s an enjoyable grow for both novices and seasoned cultivators. The plants can tower over 6½ feet when grown outdoors or in a greenhouse, delivering prolific yields up to 750 g/plant.
This award-winning hybrid emits skunky, floral scents with orange, cinnamon, and lavender undertones. On the palate, it’s a delightful mix of sweet cream, hazelnuts, chocolate, spices, pine, and earth. The potency of this strain is off the charts, registering up to 30% THC, making it more suitable for seasoned consumers seeking euphoric and relaxing experiences.
| Flowering Time | 8–10 weeks |
|---|---|
| Brand | Seedsman |
| Pack Size | 1/3/5/10 seeds |
| Yield | 450–600 g/m2 |
| THC | Up to 30% |
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Apple Fritter
Apple Fritter, bred by crossing Sour Apple with Animal Cookies, is a delightful hybrid cannabis strain loved for its aroma that mirrors a warm apple fritter and gives an uplifted yet serene experience.
Easy enough for beginners, yet still attractive to experienced growers, Apple Fritter feminized seeds offer a blend of both indica and sativa plant characteristics. This strain responds favorably to topping and trimming with careful monitoring against powdery mildew. Apple Fritter plants appreciate plenty of sunshine and regular watering, capable of thriving in various climates—Mediterranean, temperate, and continental.
The plant is on the smaller side but still produces potent flowers packed with earthy, piney and spicy fragrances due to dominant terpenes like caryophyllene, limonene, and pinene. The THC levels in this flavorful strain can reach up to 30% or even higher in experienced hands with less than 1% CBD.
| Flowering Time | 9–10 weeks |
|---|---|
| Brand | ILGM |
| Pack Size | 5/10/20 seeds |
| Yield | 12–16 oz/plant |
| THC | Up to 32% |
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Gazzurple
Gazzurple, a sativa-dominant strain, possesses the high-energy psychedelia of most sativas but features the dense buds typically associated with indicas. The result of a three-way cross between Gazzurple Bx2, Poddy Mouth and Macaroon, Gazzurple is known for its snowy, frost-bitten buds that often resemble clusters of snow-covered grapes.
Gazzurple feminized seeds flourish indoors and outdoors, exhibiting early flowering and high mold resistance. Towards the end of flowering, cooler night-time temperatures can enhance the purple tones inherent in this strain.
One standout characteristic is its diesel scent with notes of sweet yet tart berries and cream, highlighted by a fuel-based aftertaste. With a THC content ranging from 28% to 33%, Gazzurple provides a potent and psychedelic experience not recommended for beginners.
| Flowering Time | 50–60 days |
|---|---|
| Brand | Humboldt Seed Co. |
| Pack Size | 3/5/10 seeds |
| Yield | Moderately high |
| THC | 28–33% |
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Bling Blaow
Bling Blaow, sparkling with a proliferation of trichomes, is an aptly named strain for its loud appearance. This beginner-friendly, indica-dominant cannabis plant is a cross-breed of Glitter Bomb and Gastro Pop, yielding two main phenotypes: one purple, reminiscent of its Gastro Pop parent, and one green, so densely covered in trichomes that it literally blings.
The Bling Blaow plant is adaptable to various environments, from hot to cool, drought, and high-altitude conditions, and displays commendable resistance to mold despite its dense flowering clusters. Indoors, Bling Blaow takes 8–9 weeks to flower, producing generous yields of 350–450 g/m2. Expect to harvest these ever-stunning buds in October if cultivated outdoors or in a greenhouse.
Its fruity yet gassy aroma surprisingly carries a hint of nail polish remover. But don’t be fooled by its sweetness, Bling Blaow packs serious heat with very high THC levels between 27–30% and low CBD content below 1%, making it a cautionary choice for newbies.
| Flowering Time | 8–9 weeks |
|---|---|
| Brand | Compound Genetics |
| Pack Size | 3/7 seeds |
| Yield | 350–450 g/m2 |
| THC | 27–30% |
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Banana Jealousy
Banana Jealousy is a highly potent hybrid marijuana strain resulting from a cross of Banana Cream, Jealousy, and Gelato 41. This robust strain offers exceptional yields and very high THC levels that can reach 30%.
A stellar indoor strain, even beginners will find Banana Jealousy relatively easy to cultivate in all settings and can expect high indoor production ranging from 450–600 g/m2. In perfect outdoor conditions or greenhouses, each plant can produce up to 750 grams.
The sturdy plants boast generous resin production, making them ideal for extract creation. With enticing, fruity aromas and a tiny CBD footprint of under 1%, Banana Jealousy is a prime choice for discerning cannabis lovers seeking intense effects.
| Flowering Time | 8–10 weeks |
|---|---|
| Brand | Seedsman |
| Pack Size | 1/3/5/10 seeds |
| Yield | 450–600 g/m2 |
| THC | Up to 30% |
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Blueberry Pancakes
Blueberry Pancakes is an extraordinary sativa-dominant hybrid cannabis strain crafted from Blueberry Pancakes, Slurricane, and PPD (Pink Panty Dropper). Following three generations of meticulous selection and back-crossing, Blueberry Pancakes has come into its glory featuring remarkably vibrant clusters flaunting bright green and purple-flecked buds covered in a forest of trichomes.
The indoor flowering period of Blueberrry Pancakes spans roughly 60 days, whereas outdoor cultivation in the northern hemisphere sees a harvest-ready crop in the initial weeks of October.
This exotic strain presents a distinct fusion of blueberry and syrupy sweetness, promising a truly unique sensory experience. A startlingly high THC concentration of 31% underpins the strain’s profoundly uplifting and comforting effects, offering total relaxation wrapped in the sheer joy of consumption.
| Flowering Time | 60 days |
|---|---|
| Brand | Humboldt Seed Co. |
| Pack Size | 3/5/10 seeds |
| Yield | No data |
| THC | 31% |
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Godfather OG
Godfather OG, also known as the Don of All OGs, is an intriguing indica-dominant hybrid strain known for its powerful potency and staggering THC content can reach sky-high levels of 34%. It comes from robust XXX OG and Alpha OG parents, which contribute to its complex flavor that swirls together hints of grape, pine, wood, and herb.
Godfather OG plants have a mysterious allure, with dense forest green buds contrasted by stunning bursts of purple pistils. These feminized seeds prosper in cool and Mediterranean climates, and the plant responds well to SCROG cultivation methods, maintaining resilience in drier climates.
The strain’s remarkable high can be characterized by a full-body state of tranquility and euphoria, accompanied by strong munchies and characteristic couch lock. Despite its low CBD content (<0.7%), Godfather OG is celebrated for its therapeutic effects, aided by myrcene, caryophyllene, limonene, and humulene terpenes that may help alleviate pain, stress, and fatigue.
| Flowering Time | 7–12 weeks |
|---|---|
| Brand | ILGM |
| Pack Size | 5/10/20 seeds |
| Yield | 12–23 oz/plant |
| THC | Up to 30% |
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Runtz Muffin
Runtz Muffin, bred by Barney’s Farm, is an exotic strain of marijuana resulting from combining Zkittlez, Gelato, and Orange Punch. The fusion with Orange Punch not only increases the indica percentage to 70%, but also bolsters production. Runtz Muffin offers an orchard of fragrances and flavors from sweet lavender and tangy clementine to nostalgic hints of orange marzipan in later flowering stages.
This strain boasts visually captivating buds adorned in subtle purple and deep green hues, shimmering like precious gems, and can reach towering heights of two meters outdoors.
Runtz Muffin induces a joyful euphoria and profound relaxation, washing away mental tensions and enveloping users in a blissful tranquility akin to a serene mountain brook glinting in the sunlight. With an astonishing THC content reaching up to 29%, this strain provides a potent therapeutic experience.
| Flowering Time | 56–63 days |
|---|---|
| Brand | Barney’s Farm |
| Pack Size | 1/3/5/10 seeds |
| Yield | Up to 550–600 g/m2 |
| THC | 29% |
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10Gs
10Gs is a towering, indica-dominant hybrid cannabis strain created by crossbreeding Jet Fuel Gelato with Gastro Pop. This strain presents exceptional adaptability, as it can grow robustly across diverse environments and conditions.
Reaching over 6½ feet in height when cultivated outdoors, 10Gs plants produce generous yields of THC-dense buds that are capable of creating top-tier extracts and concentrates. Expect an indoor flowering period of 8–10 weeks and the harvest window outdoors to fall within October/November, subject to local conditions.
The prolific terpene profile of 10Gs engineers a composite flavor palette of gelato, candy, gas, and floral notes. With an impressive and rocketing THC content of 27–30%, 10Gs delivers a powerful uplift comparable to a spacecraft’s thrust into orbit.
| Flowering Time | 8–10 weeks |
|---|---|
| Brand | Compound Genetics |
| Pack Size | 3/7 seeds |
| Yield | 450–600 g/m2 |
| THC | 27–30% |
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Peyote Zkittlez
Peyote Zkittlez, born from Peyote Wi-Fi and the sweet-tasting Zkittlez, is a potent, indica-dominant strain that boasts a high THC level—anywhere from 26 to 28%. By bringing together the vivid flavors of ripe tropical fruit and candy, this strain paints a flavor profile just as vibrant as its green-and-purple-hued buds.
Peyote Zkittlez feminized seeds facilitate adaptable, medium-sized plants with generous yields—up to 650 g/m2 indoors and an astounding 1500 g/plant outdoors. Its flowering cycle takes approximately 60 to 65 days indoors, with outdoor harvests ready in late September in northern latitudes.
On top of its enticing flavor profile, the euphoric effects it brings make Peyote Zkittlez a welcomed addition to any grower’s collection. Its therapeutic benefits are not to be underrated either, with significant relief reported for those combating stress, depression, anxiety, and ADHD symptoms.
| Flowering Time | 60–65 days |
|---|---|
| Brand | Seedsman |
| Pack Size | 1/3/5/10 seeds |
| Yield | 450–600 g/m2 |
| THC | 26–28% |
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Do-Si-Dos
Do-Si-Dos is an exotic American marijuana strain that has gained mass popularity thanks to high THC levels, which can reach an impressive 30%. This strong weed strain is a cross between the legendary Girl Scout Cookies phenotype OGKB and Face Off OG, boasting the dominant terpene of limonene with linalool and humulene.
These feminized seeds yield robust indica-dominant plants that perform well both indoors and outdoors, displaying vibrant colors and dense clustering of buds.
Delivering an invigorating onset of euphoria paired with a soothing physical relaxation, Do-Si-Dos is known for its potent combination of head and body high. Its aroma is an enticing mix of sweet fruit, fresh herbs, and skunky diesel with underlying earthy tones that carry over to its flavor profile, making Do-Si-Dos a favorite for both recreational and therapeutic consumers.
| Flowering Time | 8–9 weeks |
|---|---|
| Brand | ILGM |
| Pack Size | 5/10/20 seeds |
| Yield | 14–18 oz/plant |
| THC | Up to 30% |
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Total Eclipse
Total Eclipse is an remarkable hybrid born from the cross between King Slayer and Gastro Pop #5. A purple weed strain, its standout traits are its extremely deep purple buds and sky-high THC levels, ranging from a whopping 27% to 30%.
Total Eclipse feminized seeds thrive in both indoor and outdoor environments, maturing into abundant, beautiful purple flowers within a short eight-week flowering span.
Depending on the phenotypical variation, this strain’s aroma and flavor profile may lean towards the blueberry, grape, and wine terpenes inherited from Gastro Pop and Black Rose genetics, or the incense, gas, and creamy terpenes from the Royal Kush side. With its significant potency, Total Eclipse should be approached with caution by novice cannabis smokers or vapers.
| Flowering Time | 7–9 weeks |
|---|---|
| Brand | Compound Genetics |
| Pack Size | 3/7 seeds |
| Yield | High |
| THC | 27–30% |
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GMO
GMO, also known as Garlic Cookies, is a groundbreaking cannabis strain that brings together top-quality Chemdawg and Girl Scout Cookies genetics. Heralded for its unique and captivating blend of flavors, GMO features a striking profile laden with diesel-like and earthy aromas.
It’s not only a feast for the senses, but also a high yielding strain, capable of yielding up to 3½ pounds outdoors. This towering plant is a consistent performer that experienced growers delight in cultivating.
With a massive THC percentage of 28%, GMO promises to deliver a euphorically relaxing experience. Though GMO requires a longer flowering period of 75–80 days, the high-quality indoor yield of 550–600g/m2 makes it worth the wait. Notably an indica-dominant strain, GMO boasts a sativa-indica ratio of 10:90.
| Flowering Time | 75–80 days |
|---|---|
| Brand | Barney’s Farm |
| Pack Size | 1/3/5/10 seeds |
| Yield | Up to 550–650 g/m2 |
| THC | 28% |
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Peyote Forum
Peyote Forum is a potent hybrid marijuana strain that intersects the tantalizing flavor profile of Forum Cookies, a unique Girl Scout Cookies phenotype, with the powerful Indica effects of Peyote Purple. This distinctive hybrid, while not delivering colossal yields, compensates with top-quality, resin-rich buds seeping with high THC levels.
Peyote Forum inherits its dense, trichome-coated buds from the 75% Sativa Forum Cookies and displays potential hints of purple indicating maturity. The plant typically flowers in 8–9 weeks, endorsing its sativa lineage with a cerebral kick paired with tranquilizing physical relief.
Peyote Forum’s aroma presents a robust skunk essence interlaced with nutty, sweet spices, earth, and pine undertones. Growers can expect its THC content to reach up to 28%, delivering an uplifting high that aids in stress relief and alleviates symptoms of migraines and glaucoma.
| Flowering Time | 8–9 weeks |
|---|---|
| Brand | Seedsman |
| Pack Size | 1/3/5/10 seeds |
| Yield | 450–600 g/m2 |
| THC | Up to 28% |
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Double Up
Double Up is an impressive hybrid strain cultivated by pairing Mellowz #8 with Gastro Pop #5, thanks to the innovative minds at Compound Genetics. Identified by its deep purple flowers, this feminized seed strain exhibits an exceptionally high trichome coverage and resin production, making it an ideal pick for extract creators.
Double Up feminized seeds can thrive in diverse environments, whether indoor, outdoor, or within a greenhouse. The mature buds feature inflated calyxes and an imposing apical bud, indicative of the strain’s medium to high potential yields.
The aroma profile is a compelling blend of bubblegum, candy, fruit, citrus, kerosene, and industrial chemicals. THC levels are off the charts, ranging from 27 to an intense 30%, assuring a powerful and potent effect.
| Flowering Time | 8–10 weeks |
|---|---|
| Brand | Compound Genetics |
| Pack Size | 3/7 seeds |
| Yield | Medium/High |
| THC | 27–30% |
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Biscotti
Biscotti is an irresistible cookies cannabis strain that perfectly combines the genetics of Gelato, Girl Scout Cookies, and OG Kush. This strain seduces the senses with its sweet, earthy and citrusy terpenes, all wrapped in a delicious biscuit-flavored profile.
Biscotti feminized seeds grow into compact plants with impressive yields up to 650 g/m2 indoors and 1.5kg outdoors. Its hearty stature reaches heights from 3 feet indoors up to 6½ feet outdoors. With a quick flowering time of 65–70 days indoors and early October outdoors, Biscotti offers tantalizing effects in no time.
Biscotti cannabis carries a high THC percentage of 25–27%, providing an intense, dreamlike relaxation from its indica-dominant traits.
| Flowering Time | 65–70 days |
|---|---|
| Brand | Barney’s Farm |
| Pack Size | 1/3/5/10 seeds |
| Yield | Up to 600–650 g/m2 |
| THC | 25–27% |
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Purple Ghost Candy
Purple Ghost Candy is a potent hybrid strain, the result of crossing Ghost OG with Candyland Purple. This strain falls mostly on the sativa side at 60%, with 40% indica genetics. Purple Ghost Candy plants are robust and highly vigorous, exhibiting aggressive branching.
With potential indoor heights up to 63 inches and outdoor heights reaching 11½ feet, growers may find it helpful to utilize support structures for the lateral branches. The strain is characterized by its notable production of large, golden resin crystals and its diverse color palette, transitioning from lime green to hues of yellow, red, orange, and dark purple in the flowering stage.
In flavor and aroma, Purple Ghost Candy offers a unique combination of fuel-like scent of OG strains with a spicy, earthy profile layered with notes of lemon, peach, grape candy, and mint. Its high THC content clocks in at an impressive 27.54%, delivering potent effects that balance physical relaxation and cerebral stimulation.
| Flowering Time | 70–84 days |
|---|---|
| Brand | Seedsman |
| Pack Size | 1/3/5/10 seeds |
| Yield | 450–600 g/m2 |
| THC | 27.54% |
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Gelato
Gelato, a tempting fusion of Blue Sunset Sherbet and Thin Mint Girl Scout Cookies, holds an alluring promise to stimulate your senses like no other. This Indica-dominant strain unfolds an enchanting symphony of fruity sweetness mingled with earthy undertones, euphoric qualities that evoke pure delight radiate from each inhalation. Gelato strain’s strength is not to be underestimated, attesting its potency with an impressive THC range of 25–27%.
The plants are medium to tall in height and can churn out extremely rewarding yields—up to 4–6 pounds outdoors, and 650 g/m2 indoors. The lifecycle of Gelato feminized seeds is reasonably short, with indoor flowering completing in 65–70 days, and outdoor harvests concluding early October. Experience the lavish and potent lure of Gelato strain for an unforgettable cannabis journey.
| Flowering Time | 65–70 days |
|---|---|
| Brand | Barney’s Farm |
| Pack Size | 1/3/5/10 seeds |
| Yield | Up to 650 g/m2 |
| THC | 25–27% |
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