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United States
Fast-Flowering Strains
Whether you grow indoors or outdoors, in hydro or in soil, we're sure you love the thought of a speedy harvest. That's why we've compiled all of our favourite fast-flowering strains in one place. With these speedy seeds, you can enjoy a great harvest, even if you got a late start to the season. Depending on your growing environment, you may even be able to squeeze two harvests into one season with these specimens. Best of all, our selection of fast-flowering strains won't sacrifice quality for speed, and are guaranteed to produce top-shelf bud with minimal effort.
So what are you waiting for? Get browsing to find your perfect fast-flowering strain today!
White Runtz Autoflower (Zamnesia Seeds) feminized
Extra fast: White Runtz Autoflower plants can get the chop just 9 weeks after germination. Solid yields: Reel in up to 16 oz/yd²! Home-grown USA genetics: White Runtz Auto descends from Gelato and Zkittlez. Candy terps and 22% potency: Enjoy a sweet, smooth, and strong smoke.
Grease Monkey (Zamnesia Seeds) feminized
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% potency and skunky, gassy terpenes. Fast-flowering: Grease Monkey takes just 8 weeks to reach maturity indoors.
Black Diamond (Zamnesia Seeds) Feminized
Superb genetics: Descending from Blackberry and Diamond OG. Rich and smooth smoke: Black Diamond offers a sweet experience filled with fruity notes. Productive plants: Specimens grow tall and promise large yields in optimal conditions. Pronounced effects: A potency of 23% powers a long-lasting, soothing effect.
LA Kush Cake (Zamnesia Seeds) feminized
Decadent flavors: Savor notes of sweet vanilla cake with a spicy, peppery kick. Elite US genetics: Wedding Cake x Kush Mints combine for top-tier potency. 25% potency: For deep relaxation and mood-enhancing euphoria. Monster yields: Up to 18 oz/yd² indoors and 30 oz/plant outdoors. Effortless growth: Hardy, resilient, and packed with dense, frosty buds.
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.
Sunset Sherbet Autoflower (Zamnesia Seeds) feminized
From the folks at Zamnesia Seeds comes Sunset Sherbet Autoflower. This easy-growing strain boasts a super-short growing cycle of just 60 days. Effortless to maintain, she delivers bountiful yields emanating sweet, fruity flavours that are bound to get mouths watering. Coupled with an impressively relaxing experience, there is plenty to love about this well-rounded strain.
Wedding Cake Autoflower (Zamnesia Seeds) feminized
From the team at Zamnesia Seeds comes Wedding Cake Autoflower. These cannabis seeds are not only a joy to grow but also offer a delightful experience—thanks to their impressive flavour profile. 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.
Runtz (Zamnesia Seeds) feminized
Discover the excitement with our latest offering—a cultivar that's been a hit in California. This blend of two renowned varieties is known for its delightful flavor, robustness, and well-rounded characteristics. It's a high-yield, quick-flowering plant that's sure to impress. Experience the sensation yourself with these seeds!
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.
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.
Lemon Power Haze (Zamnesia Seeds) feminized
Refreshingly sweet and lemony yet nicely rich and dank: Lemon Power Haze by Zamnesia Seeds doesn’t just taste awesome but also has a strength that matches her great taste: Let this uplifting strain invigorate your senses. No doubt, an absolute treat for sativa lovers!
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.
Cheese (Zamnesia Seeds) feminized
Cheese is a beloved strain of seed with roots in the UK. By blending Skunk x Northern Lights, this prize-winning variety matures in 8 weeks and is noted for its significant strength. It stands as a timeless favorite among aficionados!
White Widow (Zamnesia Seeds) feminized
A highly recommended and firm favorite all around the world, White Widow is a hybrid strain of much acclaim and respect. Not just a pretty-looking plant, she is known for her robust growth and potency. If that wasn't enough, she's also a vigorous grower, taking just 9 weeks to flower.
Critical (Zamnesia Seeds) feminized
A distinguished provider, Critical from Zamnesia Seeds is a (mostly) indica strain that is notable for its potency and impressive yields. A meticulous combination of Afghani and Skunk, this strain is compact yet remarkably productive, thriving with minimal supervision. In just 7 weeks of flowering, it is ready to offer its abundant flowers.
Northern Lights (Zamnesia Seeds) feminized
Northern Lights is a highly esteemed strain that has become a favorite due to its robust growth and generous yields. It completes its flowering cycle in a mere 7 weeks and is predominantly indica. Capable of producing substantial yields, Northern Lights is known for its quality output.
Super Boof (Zamnesia Seeds) feminized
Award-winning: Super Boof (aka Superboof) was Leafly's Strain of the Year in 2024. High strength: Savor 26% potency 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.
Permanent Marker (Zamnesia Seeds) feminized
Award-winning genetics: Permanent Marker was Leafly's Strain of the Year in 2023. Extreme potency: Enjoy up to 31% potency! 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.
Lemon Cherry Gelato (Zamnesia Seeds) feminized
Mouthwatering flavor: 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.
Sundae Driver Autoflower (Zamnesia Seeds) feminized
Delicious genetics: A yummy blend of Fruity Pebbles OG, Grape Pie, and ruderalis. Quick turnaround: Harvest-ready in 8–9 weeks from seed. Sweet terpenes: Fruity and sugary aromas and flavors offer pleasurable sessions. Uplifting effects: You'll laugh out loud after a few puffs, perfect for sharing with like-minded buddies.
Pineapple Express F1 Autoflower (Zamnesia Seeds) feminized
Boasting rich, sweet flavors and a rewarding growing experience, Pineapple Express F1 Autoflower is a cannabis seed variety that delivers a substantial yield in as little as 9 weeks from germination. With a manageable height of just 20–28 inches, this strain is well-suited to indoor, outdoor, and greenhouse spaces. Discover the robust qualities of this F1 specimen for yourself!
Grape Ape F1 Autoflower (Zamnesia Seeds) feminized
Boasting reliable and resilient genetics, Grape Ape F1 Autoflower is a versatile and accessible strain. This autoflowering cultivar takes just 8–9 weeks from seed to harvest and stays relatively short, making it ideal for indoor growing. With very little maintenance or upkeep required, growers can look forward to buds that are known for their delightful sweet berry flavor and relaxing qualities.
Afghani (Zamnesia Seeds) feminized
Thick buds with a bold, spicy hash aroma and a relaxing stone—that's what you can expect from our landrace Afghani. With cannabis growing natively across Central Asia, Afghanistan has a long tradition of cannabis cultivation and hashish production, and Afghani weed is still considered some of the finest on the planet. Now, growing it at home has never been easier.
Kalini Asia (Zamnesia Seeds) Feminized
Kalini Asia, the “Flower from the Hindu Kush”, is a beautiful purple variety that combines the best and most elusive purple phenotypes of Kush mountain varieties. Exclusively bred by Zamnesia, this gorgeous plant will not just catch the eye with her vibrant purple colors, she will also please with pungent pine aromas and a deeply relaxing yet euphoric sensation.
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.
Monster Dwarf Autoflower (Zamnesia Seeds) feminized
Monster Dwarf Autoflower by Zamnesia may be compact, but its qualities are not to be underestimated! This exceptional autoflowering cannabis seed variety is perfect for cultivation in limited spaces. Its impressive yields, notable skunky aroma, and enjoyable effects make Monster Dwarf Autoflower by Zamnesia a delightful autoflower that you're sure to appreciate!
Lemon Wonder Autoflower (Zamnesia Seeds) feminized
Lemon Wonder Autoflower from Zamnesia Seeds is a fast-growing variety that offers growers a quick turnaround, with the ability to harvest in just 8 weeks. This strain is a cross between Lowryder and Lemon OG, resulting in a plant that is both resilient and sought-after.
Blueberry Autoflower (Zamnesia Seeds) feminized
The classic Blueberry variety has been given an autoflowering update. By crossing this well-known strain with ruderalis genetics, we've created a robust, fast-growing, and potent plant that's ready in approximately 8–9 weeks from planting to harvest.
Black Diamond Autoflower (Zamnesia Seeds) Feminized
Yummy terpenes: Sweet and fruity flowers with aromas of grape. 23% Potency: Hits the perfect potency sweet spot. Quick turnaround: Black Diamond Auto goes from germination to harvest in only 8–9 weeks. Indica dominant: A Blackberry, Diamond OG, and ruderalis cross, this plant is 90% indica.
Black Runtz (Zamnesia Seeds) feminized
Tantalizing tastes: Enjoy flavors of sourness, berries, and fruit. Epic genetics: The offspring of legendary parents Zkittlez, Gelato, and Runtz. Rapid flowering: Watch your buds burst into maturity in as little as 8 weeks. Mind-blowing power: Prepare for potency levels of up to 24%.
Tropicana Cookies (Zamnesia Seeds) Feminized
Both growers and tokers will love Tropicana Cookies and its impressive traits. These plants produce resinous, fragrant flowers, and the amount they yield will plaster a big smile on cultivators' faces. Ideal for homemade extracts and edibles, Tropicana Cookies will lend its fruity and sweet flavors to any creation. The relatively balanced genetics produce uplifting effects suitable for any time.
White Truffle Autoflower (Zamnesia Seeds) feminized
Elegant flavors: Enjoy notes of sweet autumn fruits and buttery nuts. Super speedy genetics: White Truffle Autoflower goes from germination to harvest in just 8–9 weeks. Compact plants: Ideal for small tents and converted cupboards. Full-body effects: White Truffle Autoflower eases the mind and soothes the body in minutes.
Blueberry (Zamnesia Seeds) feminized
Whether you're a novice or an experienced cultivator, Blueberry is a delight to grow, offering a burst of flavor that's hard to resist! She's straightforward to care for, and her name hints at the delicious taste she carries.
OG Kush (Zamnesia Seeds) feminized
A renowned variety originating from California, OG Kush is a popular strain that combines Chemdawg x Lemon Thai x Pakistani Kush, offering a rich blend of intense aromas. OG Kush by Zamnesia has a robust flowering time of only 8 weeks, producing an impressive yield.
King Louis (Zamnesia Seeds) feminized
Royal genetics: King Louis descends from top-shelf Californian strains. Big flavors and aromas: Enjoy a mix of fresh, earthy pine terps. 24% potency: For a heavy-handed buzz. Short stature: Ideal for smaller spaces.
Slurricane (Zamnesia Seeds) feminized
Top US genetics: Enjoy the original Slurricane, bred from Purple Punch x Do-Si-Dos. Complex terps: Slurricane has sweet and spicy berry aromas/flavors. Compact structure: Plants are stout and discreet. Heavy yields: Slurricane yields up to 13 oz/yd² indoors and 23 oz/plant outside.
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