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Autoflower Seeds
Feminized Seeds
Zamnesia Seeds
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United States
6 min
Top 10 fastest growing cannabis strains of 2025
When it comes to growing the fastest-flowering strains, autoflowers usually steal the spotlight. Thanks to their built-in timer, they simply race from seed to harvest without any need to adjust the light cycle.
But don’t count out photoperiod varieties just yet. The newest generation of fast-flowering strains proves that you can enjoy the best of both worlds: fast-growing weed with high-yielding, fast-finish genetics that still let you take control of the vegetative stage. Whether you’re chasing multiple harvests per year or simply want to shorten your turnaround without sacrificing yield or potency, these cannabis seeds are designed to deliver.
In this guide, we’ve hand-picked the top 10 fastest-flowering photoperiod cannabis strains of 2025, backed by breeder data and grower feedback. These cultivars set the new gold standard for speed, reliability, and performance.
Top 10 fastest photoperiod cannabis strains
The following strains all stand out for their exceptionally short bloom times, with each one combining fast-growing weed genetics with solid yields, rich aromas, and reliable performance for both indoor and outdoor grow ops.
Whether you’re growing in a cooler climate or aiming for multiple harvests a year, these high-yielding, fast-finish strains offer the perfect balance of speed and quality.
Hella Jelly: Humboldt Seed Company
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Reaching full maturity in as little as 45 days of bloom, Hella Jelly by Humboldt Seed Company is a fast-flowering strain that captures the best of modern American genetics. This sativa-dominant hybrid, created from Notorious THC and Very Cherry, produces sweet, candy-like buds in vibrant lime-green and pink tones coated with thick resin. Indoors, plants finish in about six to seven weeks, while outdoor growers can expect harvests by mid to late September. Easy to cultivate, stress-resistant, and capable of medium to high yields, Hella Jelly delivers sugary flavors and a euphoric, social high that defines fast-growing weed in the U.S.
Pure Skunk Go Fast: Kannabia
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Pure Skunk Go Fast by Kannabia Seeds races through flowering in just six to seven weeks, making it a top choice for growers who want speed without sacrificing quality. This 70% indica, 30% sativa hybrid combines early Skunk genetics with impressive pest resistance and reliable productivity, thriving both indoors and outdoors. Plants can reach around 5–6 feet tall, producing up to 19 oz/m² and 21 oz per plant outdoors. With a smooth 18% THC, its sweet, earthy, and chocolatey flavor profile delivers a mellow, relaxing high that soothes body and mind, perfect for unwinding day or night.
Apple Blossom: Humboldt Seed Company
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Apple Blossom from Humboldt Seed Company was bred to deliver both flavor and productivity, combining Blueberry Muffin and Dream Queen for a balanced 50/50 hybrid that’s as rewarding to grow as it is to enjoy. This hardy, disease-resistant strain flowers in just 45 days indoors and is ready to harvest outdoors by late September, making it a solid choice for cultivators seeking quick turnarounds. Expect dense, resinous buds with 26–30% THC and a delicious aroma of sweet, creamy apple and soft floral notes. The high starts bright and euphoric before settling into deep relaxation, perfect for an all-day smoke and one of the best fast-growing weed strains from the U.S.
BCN Critical XXL: Seedstockers
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BCN Critical XXL by Seedstockers is a high-yielding, next-generation Critical hybrid bred in Barcelona for serious potency and production. Created by crossing Kritikal Bilbo, Critical +, and Critical Mass, this balanced hybrid flourishes both indoors and outdoors, finishing its flowering cycle in just 7–8 weeks. Expect compact plants with short internodes that respond beautifully to LST and topping, resulting in enormous harvests of dense, resin-covered buds. With 23% THC, the effects hit with uplifting euphoria followed by deep relaxation, while the flavor explodes with fresh, zesty citrus. Easy to manage, fast to finish, and exceptionally rewarding, BCN Critical XXL is a fast-growing weed strain that delivers massive results every time.
Speedy Chile Fast Flowering: Royal Queen Seeds
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Speedy Chile Fast Flowering by Royal Queen Seeds was built for growers who want quick results without sacrificing quality. This 70% indica, 30% sativa hybrid comes from a powerful cross of Green Poison and Chile Indica, creating a compact, resin-packed plant that thrives in any setup. Indoors, it produces up to 19 oz/m², while outdoor plants can yield around 17 oz each by September, perfect timing for cooler climates. With 16% THC and a relaxing yet uplifting high, Speedy Chile is a fast-growing weed strain that perfectly balances speed, strength, and practicality for efficient, rewarding harvests.
Critical Kush: Barney's Farm
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Critical Kush from the team at Barney's Farm is a powerhouse indica bred from Critical Mass and OG Kush, delivering massive yields and knockout potency. Flowering in just 7–8 weeks, this compact strain reaches about 3–4 feet indoors and rewards growers with up to 23 oz/m² of dense, resin-coated buds. With a 25% THC content and around 2% CBD, Critical Kush offers a deeply relaxing body high perfect for soothing evening use. Its classic earthy Kush aroma and smooth smoke make it a favorite among indica fans seeking fast-flowering weed strains that pack serious weight and strength.
Quick Caramel XL: Zamnesia Seeds
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Quick Caramel XL by Zamnesia Seeds is a flavorful, fast-finishing hybrid that proves you don’t need to wait long for quality results. This 65% indica, 35% sativa strain races to harvest in just seven weeks, growing into sturdy, compact plants about 3 feet tall with strong resistance to pests and stress. A cross of White Rhino, BlueBlack, and Maple Leaf Indica, it delivers up to 17.5 oz/m² indoors and dense, syrupy buds bursting with sweet caramel and earthy notes. With 17% THC and a soothing full-body high, Quick Caramel XL is a fast-growing weed strain that rewards growers of all skill levels.
Orange Bud: Dutch Passion
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From Dutch Passion comes Orange Bud. This classic sativa-dominant strain is celebrated for its vibrant energy and citrusy sweetness. Effortless to grow indoors or outdoors, it’s a super reliable producer that thrives in most conditions, making it a great pick for both beginners and experienced cultivators. With 90% sativa genetics, Orange Bud promotes an upbeat, creative, and energetic high that keeps you feeling positive and inspired. Flowering in just 7–8 weeks, this robust cultivar produces heavy yields of resin-coated buds with a signature orange hue. Its refreshing citrus aroma and classic Skunk lineage make Orange Bud a fast-finishing strain that’s stood the test of time.
Pineapple Kush: Royal Queen Seeds
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Pineapple Kush blends the tropical sweetness of Pineapple with the depth and strength of OG Kush to create a strain bursting with flavor and character. Suitable for both indoor and outdoor cultivation, it grows to 3–4 feet indoors, yielding up to 19 oz/m² in just 7–8 weeks, while outdoor plants can reach up to 6 feet and produce similar-sized harvests by late September. With 18% THC and delicious notes of pineapple, mint, vanilla, and caramel, Pineapple Kush delivers a smooth, balanced experience that’s perfect for unwinding at the end of the day or sharing with friends.
Super Boof: Zamnesia Seeds
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Crowned Leafly’s 2024 Strain of the Year, Super Boof lets home growers cultivate a modern classic with ease. This 70% indica, 30% sativa hybrid, descended from Black Cherry Punch and Tropicana Cookies, blends sweet, creamy flavors with serious potency. Indoors, plants stay compact at around 4 feet, finishing in just 7–8 weeks and yielding up to 19 oz/m². Outdoors, they can reach 6 feet, producing around 17 oz per plant by late September. With 26% THC, dense, frosty buds, and aromas of grape, vanilla, and cheese, Super Boof is a fast-growing weed strain with undeniable award-winning pedigree.
Additional quick-flowering photoperiod strains worth considering
Not every fast photoperiod made the final top 10, but these contenders still deserve recognition for their impressive speed, reliability, and flavor. Whether you’re chasing variety, unique aromas, or subtle differences in effect, these strains are well worth adding to your grow list.
Blueberry Muffin by Humboldt Seed Company is a compact, indica-dominant powerhouse that flowers in just six to seven weeks and delivers medium yields of dense, resinous buds. A cross between Purple Panty Dropper and Razzleberry, this strain delights with sugary blueberry muffin aromas accented by subtle herbal and chamomile notes. With up to 28% THC, it provides an initially uplifting, positive buzz that settles into deep relaxation, perfect for unwinding after a long day.
Solar Panel from Zamnesia Seeds is another fast-finishing strain to check out, taking just seven to eight weeks to produce up to 550g/m² indoors and as much as 800g/plant outdoors. A luminous cross between Power Plant and White Widow, Solar Panel is a high-yielding, quick-to-flower strain that blends uplifting energy with soothing calm, making it ideal for creative sessions, social moments, or simply kicking back in style.
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Your next quick harvest awaits
Fast-flowering photoperiod strains make it easier than ever to enjoy quick, rewarding harvests without compromising yield or quality. Whether you’re growing indoors or out, these cultivars offer the ideal balance of speed, potency, and flavor, perfect for anyone eager to shorten their grow cycle or experiment with multiple harvests a year.
Ready to experience it for yourself? Explore our full range of fast-flowering seeds and find the strain that best suits your setup. Or, if you prefer the simplicity of automatic genetics, check out our guide to the top 10 fast autoflowers for even speedier results.
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