The “Best of the Best” when it comes to THC content! Strains that are high in THC, 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 THC 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 THC content. Find your favourite High THC 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 THC Strains - Click here for more infoJuicy, mouthwatering flavours: Savour ripe berries, tropical fruit, and zesty citrus. Top-shelf US genetics: Gelato #41 x Triangle Kush for excellent potency. 25% THC: Enjoy a euphoric cerebral rush followed by deep, body-melting relaxation. Heavy-hitting but balanced: Perfect for unwinding, intimacy, or tension relief. XL yields: Up to 500 g/m² indoors and 700 g/plant outdoors.
Mouthwatering flavour: A delightful mix of fruity, pine, sour, sweet, tropical, and woody notes. Premium genetics: A cross of Sunset Sherbet × Girl Scout Cookies. Resilient & compact: Medium-sized plants suitable for various growing environments. Balanced effects: Promotes relaxation while enhancing focus and creativity.
Decadent flavours: Savour notes of sweet vanilla cake with a spicy, peppery kick. Elite US genetics: Wedding Cake x Kush Mints combine for top-tier potency. 25% THC: For deep relaxation and mood-enhancing euphoria. Monster yields: Up to 600 g/m² indoors and 850 g/plant outdoors. Effortless growth: Hardy, resilient, and packed with dense, frosty buds.
Mouthwatering flavour: A delightful mix of fruity, pine, sour, sweet, tropical, and woody notes. Autoflowering excellence: Sunset Sherbet × Girl Scout Cookies × ruderalis for fast-growing, resilient plants. Compact & versatile: Ideal for indoor and outdoor setups with manageable heights. Balanced effects: Promotes relaxation while enhancing focus and creativity.
Complex aromas: A delightful mix of fruity, orange, and sweet terps. Classic genetics: A hybrid of Northern Light x Haze x Skunk#1. Compact growth: A small, balanced strain that will produce a good harvest with proper care. Uplifting effects: Enjoy mental clarity and a mellowing physical effect.
Rich flavours: A decadent mix of vanilla, sweet berries, and diesel. Potent & balanced: 21% THC delivers focus, creativity, and full-body relaxation. Heavy yields: Up to 600 g/plant outdoors and 500 g/m² indoors. Stunning buds: Resinous nugs with vibrant green, blue, and purple hues. Quick turnaround: Harvest potent buds in just 9–10 weeks of bloom.
Express harvests: King Louis Autoflower is ready for the picking just 10 weeks after germination. Great potency: Enjoy 24% THC and soothing effects. Delicious terps: Savour fresh aromas and flavours of pine, earth, and wood. Royal genetics: King Louis descends from OG Kush and LA Confidential.
Royal genetics: King Louis descends from top-shelf Californian strains. Big flavours and aromas: Enjoy a mix of fresh, earthy pine terps. 24% THC: For a heavy-handed stone. Short stature: Ideal for smaller spaces.
Super sweet: The Runtz line is loved for its bold candy aromas. Top-shelf Cali genetics: White Runtz was born and bred in the San Francisco Bay Area. Excellent resin production: Harvest big, dense, snow-white flowers. 24% THC: Enjoy a heavy, tingly body high ideal for beating tension.
Complex flavours: Savour delicious notes of sweet autumn fruits and nuts. Full-body effects: Enjoy an initial cerebral hit that gradually soothes the entire body. Connoisseur genetics: White Truffle is a unique variety of Gorilla Butter. Plenty of potency: White Truffle buds pack up to 25% THC.
Award-winning: Super Boof (aka Superboof) was Leafly's Strain of the Year in 2024. High potency: Savour 26% THC and aromatic terpenes. Soothing effects: Enjoy a profound buzz that combines mental euphoria with a warm physical sensation. Extra frost: Super Boof produces a thick coat of resin, ideal for hash-making.
Award-winning genetics: Permanent Marker was Leafly's Strain of the Year in 2023. Extreme potency: Enjoy up to 31% THC! High-profile origins: Permanent Marker was originally created by JBeezy at Seed Junky Genetics. Dank aromas: Enjoy lingering floral fumes with notes of soap and gas.
All-star USA genetics: Grease Monkey stems from a cross of GG#4 and Cookies & Cream. Indica dominance: Expect bushy plants with rock-hard nugs. Top-shelf potency: Grease Monkey boasts 24% THC and skunky, gassy terpenes. Fast-flowering: Grease Monkey takes just 8 weeks to reach maturity indoors.
When legends cross, they create legendary outcomes. Or at least that was the case when our breeders created Tangerine Dream from a select variety of classic strains. Boasting sweet citrus aromas and flavors, hardy grow traits, and a happy, uplifting high, there's little not to love about Tangerine Dream by Zamnesia Seeds. But don't take our word for it—order your seeds now and find out yourself.
By harnessing the same genetic techniques that are used in commercial farming, Wurlz F1 hybrid Automatic from Zamnesia offers a reliable and uniform growing experience that results in a bevy of buds teeming with terpenes and THC. Taking just 9–10 weeks from seed to harvest, this is a fast-growing cultivar that rewards growers with sweet, fruity nugs that showcase deeply soothing sensations.
If you're shopping for a powerful indica that's packed full of flavour, look no further than Biscotti. Containing up to a whopping 25% THC and producing pronounced effects, this flavoursome lady is no slouch in the grow room either. With a little care, those who sow Biscotti seeds can count on excellent results come harvest time.
Looking for an auto with great aromas, plenty of potency, and solid American genetics? Then look no further. Zamnesia's Frosted Guava Autoflower delivers exceptional yields, a complex tropical fruit aroma, 25% THC, and an uplifting, stimulating high that's perfect for every day.
Few auto strains deliver the potency, aromas, and excellent grow traits found in Apple Fritter Autoflower. Backed by top-shelf US genetics, this seed is sure to quickly climb your list of favourite autoflowering strains.
Zamnesia's Apple Fritter will boost your mood, relax your body, and kick-start your mind. Oh, and did we mention that it smells 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.
Wedding Cake is an indica-dominant treat that can be enjoyed no matter the occasion! Providing a joyous high alongside a hefty serving of mouth-watering flavours, she's also super easy to grow and takes just 65 days to harvest. So, what are you waiting for? Book a date with Wedding Cake and see what she has to offer!
From the team at Zamnesia Seeds comes Wedding Cake Autoflower. This autoflowering strain is not only a joy to grow, but also to smoke—thanks to her impressive flavour profile and abundant high. An easy, breezy specimen in the grow room, she's perfect for beginners looking to get their feet wet, and experienced growers seeking a hassle-free home project.
The hype is real, guys! Our breeders managed to bring you something Californians long for—the exquisitely delicious and ultra-potent Runtz. This cross of Gelato and Zkittlez is everything you could ever want from a cannabis strain: tasty, powerful, balanced, productive, and fast-flowering. Get the seeds and experience this phenomenon first-hand!
Purple Punch by Zamnesia Seeds is a dreamy indica that shines with an exquisite taste and an incredibly relaxing effect. Despite her compact size, this almost pure indica is very easy to grow and can deliver great yields.
Supreme dankness never tasted so good. Zamnesia Seeds presents Gelato, a strapping indica-dominant strain that stands tall in the grow room and unleashes a high of epically smooth proportions. Unlike some other Gelato variants on the market, our version is infused with the ultra-potent Wedding Cake to give consumers a little something extra to fall in love with.
Just like the mighty green fist from The Hulk, Bruce Banner #3 will smash you in the head with an incredibly powerful effect that is creative, euphoric, and energising. This heavy-hitter will transform you into a superhero. Hulk-smash procrastination and enjoy new levels of inspiration and productivity; Bruce Banner #3 is redefining the meaning of wake and bake!
From the sun-drenched altitudes of the Santa Cruz mountains in California comes Zamnesia’s Banana, one of the most potent strains available. The offspring of OG Kush and Banana ensures fruity, fierce intoxication with energetic passion and relaxed euphoria. Her mouth-wateringly sweet Banana flavour with hints of lemon and pepper makes for an incredibly tasty, yet smooth smoke.
Girl Scout Cookies is an American hybrid taking Europe by storm. This strain combines the finest Cookie genetics, culminating in an unprecedented and deliciously powerful new variety. Its uplifting, cerebral high will relax the body, and its potent, high-yielding buds will come in full force in just 8-9 weeks of flowering.
Love fruity flavours, uplifting effects, and top-shelf potency? Look no further—Blackberry Moonstones Auto by Blimburn Seeds delivers all of this and more in a fast, compact auto seed. In just 8–10 weeks, this budding hybrid will reward you with heavy harvests of rock-hard, frosty purple flowers that smell, taste, and smoke amazingly.
Hardy Haze genetics: Ghost Train Haze descends from a legendary Haze cut bred by Nevil Schoenmakers. Excellent potency: Expect big buds packing 25% THC and delicious terps. Bold aromas: Ghost Train Haze smells of dank, spicy diesel. Heavy yields: Expect harvests of up to 600 g/plant!
Spectrum of Flavours: Rich, sweet, fruity, and strawberry flavours fill the senses. Impressive Lineage: Bred from Pink Guava, Sunset Sherbet and Ruderalis. Effortless Cultivation: Easygoing growing experience. Perfect for all budding cultivators. Soothing Effects: 24% THC boasting relaxing sensations and uplifting moments.
True Cali heritage: Gelonade Autoflower is the perfect example of the best California has to offer. Zesty and refreshing flavors: The perfect blend of peppery and lemony notes. Fast and bountiful: Despite the sativa dominance, the ruderalis influence has gifted Gelonade Autoflower with a quick life cycle. Happy and euphoric: Prepare to smash that to-do list!
Boasting supreme genetics, Runtz F1 Autoflower by Zamnesia Seeds is here to shake up your cannabis cultivation game. This pint-sized plant offers uniformity, reliability, and, above all, great buds that are teeming with mouth-watering terpenes and potent cannabinoids. If you've been looking for a robust autoflower that will deliver the goods, Runtz F1 Autoflower could be for you.
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 THC.
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.
Gone are the days when autos delivered tasteless buds, low THC levels, and poor harvests. Gelato Autoflower will destroy any prejudices you may have against auto seeds for good. Massive flavour and potency are coming your way—and soon.
The one and only GG#4 now exclusively available here at Zamnesia Seeds! This spectacularly potent and flavourful Indica which until recently was only available in the US doesn’t just make for incredible relaxation with a happy and uplifting effect. Her out-of-this-world potency makes GG#4 also an excellent strain for the treatment of chronic pains and other health conditions.
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.
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.
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.
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: