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High THCa Strains
There are 95 products.
The “Best of the Best” when it comes to THCa content! Strains that are high in THCa, the psychoactive compound contained in cannabis, can deliver the most potent smoke for the ultimate in relaxation or powerful uplifting euphoria. Some cannabis strains with a particular high THC content can even make for outright psychedelic experiences!
But high THCa content doesn’t just mean that these cannabis varieties can be optimal for recreational users who seek the ultimate for chilling and relaxation. These strains rich in THC can also be a good choice for those users who need very potent medicine that can help with pain relief and other medical conditions.
The High THC strains category here in the Zamnesia web shop features these select strains that are known for their particular high THCa content. Find your favourite High THCa strain in no time here at Zamnesia!
Feeling overwhelmed by all the different cannabis strains out there? Use the Cannabis Seedfinder and find the strain that best suits your growing needs in 6 simple steps.
High THCa Strains - Click here for more info
Super THC Pack - Automatic Strains
Gone are the days when growing autos meant sacrificing potency and aroma. Modern autoflowers are capable of producing excellent buds that easily rival those of photoperiod strains, and this pack is here to prove it. The seeds included here come from select autoflowering genetic lines that produce dense buds dripping with mouth-watering aromas and, most importantly, mind-bending amounts of...
Super THC Pack - Feminized Strains
Picture heavy colas of bulging calyxes dripping with delicious resin. That's what you can expect from these hard-hitting THC monsters. Be warned—these strains aren't for the faint-hearted. Packing extremely high THC levels and plenty of terpenes, the strains in our Super THC Pack are ideal for veteran smokers or anyone looking for knockout, pseudo-psychedelic effects.
Bruce Banner 3 (Zamnesia Seeds) Feminized
Bruce Banner #3 is known for its strong and invigorating qualities that foster creativity and focus. This robust variety is gaining popularity for its ability to enhance productivity and inspire new levels of innovation.
GG#4 (Zamnesia Seeds) feminized
Discover the exclusive GG#4, now available at Zamnesia Seeds! This exceptionally robust and flavorful Indica, previously only found in the US, offers a harmonious blend of sensations. Its remarkable strength makes GG#4 a top choice for those seeking therapeutic benefits for various health conditions.
Royal Gorilla (Royal Queen Seeds) feminized
Introducing the Royal Gorilla by Royal Queen Seeds, a powerful hybrid cannabis strain that redefines potency with levels that can reach an incredibly high 27%. This strain, previously exclusive to the US, offers an outstanding experience that is both intense and balanced. Prepare for incredible relaxation paired with a pleasant uplifting feeling!
Banana (Zamnesia Seeds) Feminized
From the scenic heights of the Santa Cruz mountains in California, we introduce Zamnesia’s Banana, a highly potent variety. This hybrid, a combination of OG Kush and Banana, offers a delightful fruity essence. The Banana flavor is enriched with notes of lemon and pepper, providing a smooth and enjoyable taste experience.
Girl Scout Cookies (Zamnesia Seeds) Feminized
Girl Scout Cookies is an American hybrid that has become very popular in Europe. This strain features a combination of top Cookie genetics, resulting in a new variety that is both unprecedented and powerful. Its effects are uplifting and can provide relaxation, with potent buds that are ready for harvest in just 8-9 weeks of flowering.
Fat Banana (Royal Queen Seeds) Feminized
Royal Queen Seeds presents the most impressive, substantial, and delectably fruity Kush variant, Fat Banana. This unique strain is so irresistibly delicious that you might find it hard to resist after your initial experience. However, exercise caution and pace yourself with this enticing variety. With a potency of 25%, it's remarkably strong and leads to a prolonged period of relaxation.
Larry Bird Kush (Zamnesia Seeds) feminized
This renowned cultivar by Zamnesia is inspired by Larry Bird, the celebrated Boston Celtics basketball player. The balanced hybrid (50/50), derived from a Sunset Sherbert and a Girl Scout Cookies Thin Mint phenotype, boasts a delightful aroma that is sweet, tangy, and minty.
Green Gelato (Royal Queen Seeds) Feminized
Perhaps one of the most flavorful and high-quality Cookies hybrids, Green Gelato by Royal Queen Seeds introduces a new era of premium cannabis. The delicious Thin Mint Cookies and the mouth-watering Sunset Sherbet, arguably the top Cookies genetics from the SF Bay area, merge to create one of the most delightful dessert cannabis strains available for cultivation today.
HulkBerry (Royal Queen Seeds) Feminized
With a potency surpassing most other strains on Earth, HulkBerry is not here to play around. With roots in the competitive and innovative Colorado breeding scene, HulkBerry provides hybrid vigor in the grow-op and experiences that have been known to impress even the most fastidious canna-connoisseur.
Gelato (Zamnesia Seeds) feminized
Zamnesia Seeds introduces Gelato, a robust indica-dominant strain that exhibits impressive growth and offers a unique flavor profile. Our version is enhanced with the addition of Wedding Cake genetics, providing a distinctive experience for enthusiasts.
Purple Punch (Zamnesia Seeds) feminized
Purple Punch by Zamnesia Seeds is a dreamy variety that shines with an exquisite taste and a soothing presence. Despite her compact stature, this variety is very easy to grow and can deliver impressive yields.
Lava Cake (Zamnesia Seeds) feminized
Looking for a unique, boutique strain to add to your garden? Zamnesia's feminized Lava Cake offers exceptional flavors and great cultivation traits that make it easy to grow both indoors and out. Whether you're new to gardening or an experienced cultivator, Lava Cake is a delightful addition to your collection.
Frosted Guava (Zamnesia Seeds) feminized
Frosted Guava is a super-resinous treat bred from Guava and Frosted Skywalker. Balancing versatile grow traits with exotic, fruity aromas and a relaxing, clear-headed experience, Frosted Guava is a fine choice for any garden.
Apple Fritter (Zamnesia Seeds) feminized
Zamnesia's Apple Fritter will enhance your mood, soothe your body, and stimulate your mind. Oh, and did we mention that it has the aroma of warm, homemade apple pastries? If you're looking for a potent, high-yielding strain with solid US genetics, make some room in your grow for Apple Fritter.
Apple Fritter Automatic (Zamnesia Seeds) feminized
Few autoflowering cannabis varieties deliver the potency, aromas, and excellent grow traits found in Apple Fritter Automatic. Backed by top-shelf US genetics, this seed is sure to quickly climb your list of favorite autoflowering strains.
Jealousy (Zamnesia Seeds) feminized
Jealousy, a superb creation from Zamnesia, quickly became popular and was named Leafly Strain of the Year 2022. It's got plenty to love, including famous parentage, good potency, excellent yield potential, and complex aromas and flavors. This slightly indica-dominant cannabis seed variety encourages a sense of calm and contentment, ideal for a relaxing evening.
Biscotti (Zamnesia Seeds) feminized
If you're shopping for a robust indica with a rich flavor profile, Biscotti is an excellent choice. Known for its impressive potency, this variety is a standout in terms of growth and yield. With attentive cultivation, Biscotti seeds are poised to deliver bountiful harvests.
Hyperion F1 Automatic (Royal Queen Seeds) Feminized
Hyperion F1 Auto presents an unparalleled cultivation journey for enthusiasts of all levels. This robust strain thrives in diverse environments, offering growers a harmonious blend of top-tier genetics. Within a swift 80 days from germination, Hyperion F1's buds deliver a rich combination of peppery and earthy flavors. Coupled with a mood-enhancing effect, it stands out as a delightful...
Epsilon F1 Automatic (Royal Queen Seeds) Feminized
Epsilon F1 is the premier cultivar from RQS' innovative line of world-first F1 hybrids. Originating from esteemed varieties such as Blue Dream and Amnesia Haze, Epsilon F1 is an autoflowering seed that develops into uniform plants and yields exceptional quality in a remarkably short period.
Medusa F1 Automatic (Royal Queen Seeds) Feminized
A new and outstanding release from our friends at Royal Queen Seeds, Medusa F1 Auto is a plant that will impress every grower. It is a true F1 hybrid, showcasing unprecedented stability and uniformity, along with delightful flavors and a rapid growth cycle. Ready in about 72 days from germination, achieving quality harvests has never been easier.
Apollo F1 Automatic (Royal Queen Seeds) Feminized
Boasting impressive genetics, Apollo F1 Auto is easy to grow and rewards cultivators with an abundance of great-tasting buds that carry hints of citrus, lavender, and vanilla. Whether smoked or vaped, this true F1 hybrid provides a relaxing experience that keeps users motivated and creative.
Titan F1 Automatic (Royal Queen Seeds) Feminized
A new standout in the hemp seed market, Titan F1 Auto is a top-tier autoflowering variety that showcases stable and reliable genetics alongside impressive yields and high potency levels. With flavors and aromas that draw heavily on sweet fruits, diesel, and lemongrass, enthusiasts of smoking and vaping will find much to appreciate with Titan F1 Auto.
Milky Way F1 Automatic (Royal Queen Seeds) feminized
Milky Way F1 Auto from the team at Royal Queen Seeds is a marvel in the world of horticulture. This hybrid produces uniform plants with superb yields of highly flavorful and potent buds that will delight all enthusiasts and cultivators. Typically ready for harvest just 74 days after planting, this strain is truly a spectacle.
Orion F1 Auto (Royal Queen Seeds) feminized
From the team at Royal Queen Seeds comes Orion F1 Auto. This autoflowering strain showcases robust, resilient genetics that are accessible to novices and experts alike. After just 70 days from germination, large yields of sweet, super-soothing buds will be ready to harvest and enjoy.
Apple Fritter (Royal Queen Seeds) feminized
Often chosen for its unique and scrumptious terpene profile, Apple Fritter by RQS truly is something special. Tasting like apple pastry, it will make you salivate when you open your stash jar to get a whiff. But that's not all that we can say about this variety; it also has a high potency for uplifting and creativity-enhancing effects.
Gushers (Royal Queen Seeds) feminized
Any Gelato hybrid is destined for success, and Gushers contains Gelato 41 genetics as well as those of the award-winning Triangle Kush. Gushers is powerful, boasting a potency of 24%, and it exhibits plenty of vigor in the grow room. Great for enjoying solo or with friends, Gushers will elevate your spirits and put you in a content, serene state.
Apple Fritter Automatic (Royal Queen Seeds) feminized
Apple Fritter Automatic from Royal Queen Seeds showcases massive flavors, potent effects, and a growing experience that's perfectly suitable for all levels of expertise and nearly all settings and environments. Simply put, Apple Fritter Automatic is here to be enjoyed, and in just 12 short weeks, you can get your hands on her delightful buds!
Alien OG (Zamnesia Seeds) feminized
Alien OG combines genetics from Tahoe OG and Alien Kush. Born and bred in San Francisco, this Cali classic boasts a delicious pine and citrus aroma, versatile grow traits, and a potent, trippy cerebral buzz.
Cosmic Noodles Automatic (Zamnesia Seeds) feminized
We love catering to all types of growers, and this time our breeders crafted something special for lovers of autoflowers: Cosmic Noodles Automatic. This neat auto is quite manageable, only slightly exceeding 100cm in height, which means it will suit low-key operations well. Its 60% indica influence creates robust, productive plants with rich aromas and great potency.
MAC 1 (Zamnesia Seeds) feminized
MAC 1 is a highly sought-after strain originally bred by Capulator and only given out to select breeders and growers. Now, you can grow this beloved strain at home and enjoy dense, dank, and potent buds for yourself! So, what are you waiting for? Order your seeds now!
Bruce Banner 3 (Original Sensible) Feminized
Fittingly named after Bruce Banner aka The Incredible Hulk, Bruce Banner #3 is one of the strongest strains on the planet. An incredible 30% in THC will give you a real surge of energetic euphoria, but with a very relaxing after-effect. But potency isn’t Bruce Banner #3’s only highlight: The strain is very productive and delights with an excellent fruity-diesel aroma and taste.
GG#4 Auto (FastBuds) feminized
GG#4 Auto by FastBuds is a spectacular autoflower that shines with incredible resin production, very high potency, and a superb taste. This autoflowering variant of the award-winning GG #4 is just the right strain if want top-quality buds at harvest time, but appreciate the ease and convenience of an autoflower!
Critical Kush (Barney's Farm) feminized
Critical Kush by Barney's Farm is a very successful cross between Critical Mass, itself a hybrid of Afghani x Skunk #1, and OG Kush, a Northern Californian strain with Chemdawg and Pakistani Kush heritage. This impressive marriage ultimately results in an indica-dominant smoke that induces a strong stone, making it a great choice for relaxing and medicinal purposes.
Liberty Haze (Barney's Farm) feminized
High yield, extremely high THC content approaching 25% (confirmed in lab tests) and short flowering period of just 8 to 9 weeks - Liberty Haze by Barney's Farm is as close to the ideal cannabis strain as it gets.
Girl Scout Cookies Auto (FastBuds) feminized
Growers seeking the best US autoflowering genetics have just found their perfect match. Girl Scout Cookies Auto, the absolute killer-strain from the West Coast, is now conquering Europe. This exceptional hybrid has an autoflowering life cycle of 8-9 weeks and yields up to 500-650g/m², or 70-300g per plant. THC levels are skyrocketing up to 22%. Order while stocks last and get baked!
Girl Scout Cookies (Cali Connection) feminized
The feminized Girl Scout Cookies by Cali Connection is a slow to moderate grower, but these fortune cookies are one of the most sought-after varieties today. Everybody wants to taste those buds the West Coast rappers brag about. This is no counterfeit crap or clone, this is the original from the Bay Area of San Francisco. This Thin Mint phenotype flowers for 55–63 days. Want some Cookies?
L.A. Amnesia (Paradise Seeds) feminized
From start to finish L.A. Amnesia is a stunning strain. Vibrant during vegetation & excitingly top heavy during flowering these guaranteed girls are what it's all about. Resin overload with a smell & effect that keeps you coming back for more.
Siberian Haze (Kalashnikov Seeds) feminized
The oldschool breeders at Kalashnikov Seeds hailing from the South of Russia don’t do half-assed things. With more than 15 years of experience in creating excellent AK-47 cross breeds, they are among the top Russian cannabis breeders who are now getting also popular here in the West. Their Siberian Haze is a super-potent Sativa thanks to the powerful Haze, AK-47 and Amnesia genetics!
Amnesia Molotov (Kalashnikov Seeds) feminized
Kalashnikov Seeds from Russia sure know how to create some outstanding strains and Amnesia Molotov is one of their most lethal ones. This explosive mixture of three of the most potent strains can send even experienced cannabis enthusiasts flying in no time. A staggering 24% of THC make for an incredibly powerful Sativa high but the plant itself is very easy to grow!
Eleven Roses (Delicious Seeds) Feminized
Delicious Seeds claims that their latest creation Eleven Roses is possibly one of their best, and who would disagree? This undemanding indica shines with fast growth, a phenomenal taste and aroma, and some monster yields. Her delicious smoke contains up to a whopping 25% THC, making for an awesome indica stone that will last for a long time. Simply a dream for indica lovers!
Bruce Banner III (Growers Choice) Feminized
Those into comic books will know Bruce Banner, the alter ego behind the Incredible Hulk. Aptly named after the green superhero, Bruce Banner is also a range of strains that became popular due to their insane potency and flavour. Bruce Banner III is one of the three phenotypes of Bruce Banner, scoring with a crazy amount of THC and a superb high that’s euphoric and relaxing all at the same...
Gorilla Girl (Sweet Seeds) Feminized
Sweet Seeds' Gorilla Girl blends two of the most famous West Coast genetics into a fantastic new strain that shines with high THC levels, massive resin production, and an intense aroma. The slightly sativa-dominant hybrid (60% sativa) provides a balanced high and symptomatic relief.
Amnesia Haze (Amsterdam Genetics) feminized
Amnesia Haze is a brand-new addition to Amsterdam Genetics’ range of strains. A top-favourite in the coffee shops of Amsterdam, this potent sativa-dominant hybrid has a fresh herbal aroma with hints of citrus. Thanks to a THC content up to 25% of THC she delivers a powerful psychedelic head buzz and makes a fabulous daytime smoke!
Gorilla #4 (BSB Genetics) feminized
BSB Genetics’ Gorilla #4 (formerly GG #4) is a super potent couch-locker, that makes for an intensely strong high, that will keep you glued on your couch with a smile on your face. The strain produces tons of sticky, resinous buds with an intensive aroma. Despite the high quality of her buds, she’s easy to grow indoors or outdoors and suitable for growers of all experience levels.
Cali Cookies (BSB Genetics) feminized
Girl Scout Cookies is one of most sought-after strains of all times. No wonder, the Californian girl scores with sky-high THC levels and an awesome taste. Cali Cookies is BSB Genetics’ fantastic version of this award-winning strain. Get ready for a truly out-of-this world euphoric high and a mouth-watering chocolate/minty flavour!
Gelato 41 (Growers Choice) feminized
Gelato 41 by Growers Choice is a fantastic hybrid from the famed Cookie family of genetics. Her parents include a minty pheno of the popular Girl Scout Cookies on one side and a Sunshine Sherbet, which also is a heir to the Girl Scout Cookies throne on the other. This Californian girl doesn’t just delight with an amazing ice cream flavour. Her skyhigh THC content ensures a very powerful...
A guide to high-THC strains
Are you looking to purchase cannabis seeds with extreme THC levels? Well, you’re about to discover some of the best strains to suit your desires. However, before we introduce you to our superstar weed varieties, we think you’ll find this brief guide helpful for your cultivation endeavours. Below, find out the key benefits of growing strains loaded with THC, and how to raise them.
Benefits of strains with a high THC content
Why do growers choose to cultivate high-THC strains in the first place? Well, part of the answer is quite obvious: they contain more THC! Higher quantities of the psychoactive cannabinoid means it takes less plant material to experience equally potent effects. With weaker varieties, many experienced smokers might need a whole joint to feel suitably high, whereas with a high-THC strain, a single bong hit might suffice. Overall, a stash of high-THC flowers lasts longer. Those with a particularly high tolerance can also use them to make extremely powerful edibles and extracts to really scratch their itch.
Growing cannabis with higher THC levels
You might think that growing high-THC cannabis takes some kind of special approach—but you’d be mistaken. You can grow these plants in the same way as other varieties. Strains high in THC are innately “wired” to churn out much higher quantities of the cannabinoid. However, this doesn’t mean you can get away with taking shortcuts. Ultra-potent plants still depend on powerful lights, high-quality organic nutrients, and a mindful watering schedule to express their full genetic potential.
Buy the best high-THC genetics available
Do you want to use less of your stash every time you get high? Or maybe your favourite strains aren’t hitting like they used to? Well, what are you waiting for? High-THC strains from Zamnesia will take your experience to another level, without demanding any more work in the grow room or garden. To get you started on your journey, here are some of the strongest varieties you can get your hands on:
- Bruce Banner 3: Brace yourself for THC levels of 27% and monster yields
- Gorilla Glue: This beast contains 26% THC and fruity and earthy terpenes
- Banana: Experience tropical vibes and THC levels of 28%
- Larry Bird Kush: With a THC content of 26%, this strain will have you giggling
- Wedding Cake Automatic: Prepare to enjoy 24% THC after a rapid growing cycle
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