Seeds in the United States

Best Autoflower Seeds Guide

Best Autoflower Seeds Guide

Our comprehensive guide offers an in-depth analysis of the top 10 best autoflower seeds to grow, facilitating a knowledgeable selection of superior genetics for your cultivation endeavors. Rigorously evaluated based on potency, growth characteristics, yield, and flavor profile, each strain on our list exemplifies the remarkable advantages of autoflowering cannabis. Whether you opt for the profoundly euphoric White Widow, the invigorating Sour Diesel, or the indulgently sweet Wedding Cake, our selection encompasses an assortment of autoflower strains that cater to diverse tastes and cultivation environments. This insightful resource is poised to revolutionize your growing experience, catalyzing the seamless adoption of autoflower cannabis seeds. Enhance your horticultural pursuits with our diligently curated list, informed by the latest scientific research and consumer trends in the dynamic world of cannabis cultivation.

1. White Widow Autoflower Seeds

White Widow Autoflower Seeds

White Widow, a legendary strain steeped in history, is revered for its potent, euphoric high and generous resin production. The autoflowering variant retains these coveted traits while slashing the flowering time. The White Widow Autoflower strain is a hybrid cannabis cultivar with a roughly 60% Indica and 40% Sativa split. Its reputation rests on its frosty white buds that glitter with trichomes, a clear indication of the potent psychoactive compounds found within. With a THC concentration ranging between 18–20%, it offers a balance of cerebral stimulation and physical relaxation. This strain's autoflowering nature permits its life cycle to conclude within 10 to 12 weeks from germination, allowing for multiple harvests within a growing season. White Widow Autoflower thrives both indoors and outdoors, showing a resilience to pests and diseases.

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2. Girl Scout Cookies Autoflower Seeds

Girl Scout Cookies Autoflower Seeds

Girl Scout Cookies Autoflower, often abbreviated to GSC Auto, is a predominantly Indica-dominant hybrid strain that encapsulates robust THC levels of around 22–28%. Noted for its sweet, earthy aroma and flavor profile akin to freshly baked cookies, it offers a euphoric yet soothing effect. Its high THC content translates into potent effects, making it a preferred choice for experienced users. GSC Autoflower's life cycle is approximately 10–14 weeks from seed to harvest. Although slightly longer than some autoflowers, it's worth the wait given the dense, resinous buds this strain produces. Cultivators are advised to maintain humidity levels strictly as this strain can be susceptible to mold. 

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3. Gorilla Glue Autoflower Seeds

Gorilla Glue Autoflower Seeds

Gorilla Glue Autoflower (GG4 Auto), a robust and hardy strain, boasts a high THC content that promises profound psychoactive effects. This balanced hybrid strain notorious for its extremely high THC levels, often exceeding 26%. Named for its sticky trichome-rich buds that mimic the adhesive's potency, GG4 Auto provides a powerful, euphoric high that can glue users to the couch. This strain auto-flowering traits lead to a swift growth cycle of 10–12 weeks from germination, producing compact plants with dense, resin-coated buds. The complex aroma profile, featuring piney, earthy notes with a hint of sweetness, adds to its allure. It can be grown both indoors and outdoors, demonstrating an admirable resistance to pests and diseases.

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4. Bruce Banner Autoflower Seeds

Bruce Banner Autoflower Seeds

Bruce Banner Autoflower, named after the alter-ego of the iconic superhero Hulk, certainly lives up to its namesake's power. With impressively high THC levels, often reaching up to 25%, it induces a powerful euphoric effect that quickly transitions into a calming relaxation. Its intriguing aroma, characterized by a sweet floral scent underscored by diesel undertones, is another reason for its popularity among cannabis connoisseurs. The strain has a flowering cycle of about 10–11 weeks from germination and yields medium-to-large buds characterized by their vibrant green hues and thick coating of resin. Bruce Banner Auto is quite suitable for indoor cultivation due to its moderate size and robust growth, but it also does well outdoors.

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5. Purple Punch Autoflower Seeds

Purple Punch Autoflower Seeds

Purple Punch Autoflower is a robust indica-dominant hybrid known for its unique aesthetic and sedative effects. Its buds feature a mesmerizing blend of purple and green hues, crowned with a generous dusting of trichomes, which boast fruity, grape-like aromas and flavors. The strain has a THC level ranging from 18–20%, offering a relaxing, full-bodied effect. It has a 9–10 weeks life cycle from germination to harvest, making it perfect for growers who desire a quick-finishing cannabis crop. Its robust nature allows it to thrive both indoors and outdoors, providing growers with a relatively easy cultivation experience.

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6. Sour Diesel Autoflower Seeds

Sour Diesel Autoflower Seeds

Sour Diesel Autoflower, or Sour D as it's affectionately known, is a sativa-dominant strain cherished for its energizing and mood-elevating effects. Its distinct aroma, characterized by a pungent diesel scent with citrusy undertones, is instantly recognizable. The invigorating cerebral high of Sour Diesel Auto is due to its considerable THC concentration of around 20%. This strain has a swift life cycle of 9–10 weeks from seed to harvest, with resilient growth and moderate yield. Sour Diesel Autoflower prefers sunny, outdoor environments but can adapt well to indoor growth.

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7. Blueberry Autoflower Seeds

Blueberry Autoflower Seeds

A classic in the cannabis world, Blueberry Autoflower carries forward the legacy of its photoperiod predecessor, offering a deeply relaxing high and a delicious, distinctly blueberry flavor. This strain is a mostly Indica hybrid famous for its fruity, blueberry aroma and flavor. Known for its moderate THC levels of around 16%, it provides a soothing, physically relaxing effect. Blueberry Auto has a rapid life cycle of 8–9 weeks and demonstrates resilience to colder climates. While it can be grown both indoors and outdoors, Blueberry Auto benefits from careful pH and moisture level management to prevent mold and pest infestations.

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8. OG Kush Autoflower Seeds

OG Kush Autoflower Seeds

OG Kush Autoflower embodies the best of its iconic parent strain: a complex flavor profile and a potent, balanced high. OG Kush Autoflower is a 75% Indica-dominant strain, well-known for its high THC levels that typically range from 20–25%. It offers a complex aroma profile that blends sour lemon and pine, resulting in a unique, invigorating experience. Its distinctive smoke is characterized by a strong, earthy base accented with notes of pine and citrus, providing an initial cerebral rush, gradually transitioning into a profound relaxation. Its life cycle lasts approximately 10 weeks from germination. OG Kush Auto does well in most growing environments but prefers a warm and sunny climate. It's also known for its relatively high yield.

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9. Zkittlez Autoflower Seeds

Zkittlez Autoflower Seeds

Zkittlez Autoflower is an Indica-dominant strain celebrated for its tantalizing fruity aroma, reminiscent of a candy store. Despite its dessert-like profile, it's a potent strain with THC levels around 19–23%, assuring a balanced high, starting with a euphoric head rush that slowly seeps into a comforting body relaxation. Zkittlez Autoflower completes its life cycle in 9–10 weeks from seed to harvest, producing large, dense buds. This strain is suited to both indoor and outdoor environments but requires adequate spacing to optimize its bushy growth.

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10. Wedding Cake Autoflower Seeds

Wedding Cake Autoflower Seeds

Rounding off our list is the Wedding Cake Autoflower, a strain celebrated for its rich terpene profile and consistent potency. Wedding Cake Autoflower is an Indica-dominant hybrid with a sweet, vanilla-like aroma that evokes a celebratory wedding cake. It has high THC levels of around 24–25%, resulting in a joyful, euphoric effect. The strain's life cycle is approximately 9–10 weeks from seed to harvest. Despite its preference for warm, sunny climates, Wedding Cake Auto's robust nature allows it to grow in both indoor and outdoor environments. Growers should monitor this strain closely for signs of mold and pests, due to its dense bud structure.

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Autoflower Seeds Explained

Autoflowering cannabis seeds are the result of rigorous genetic manipulations that incorporate the genetics of Cannabis ruderalis, a wild species of cannabis that naturally displays autoflowering characteristics. The unique autoflowering trait, which is notably absent in the more common Cannabis indica and Cannabis sativa, enables these plants to transition from the vegetative stage to the flowering stage based on age rather than light cycles. The "autoflower" moniker thus emerges from this self-flowering attribute, where the plant's developmental stages are significantly auto-regulated.

Conventionally, cannabis plants are photoperiod, meaning their growth and development are deeply intertwined with the exposure to light. In contrast, autoflowering plants sidestep this requirement, possessing an inherent ability to flower after a predetermined period, typically 2-4 weeks after germination. This remarkable feature has important implications for both hobbyist and commercial growers alike, as will be discussed in the ensuing section.

Benefits of Autoflower Seeds for Growers

Autoflowering Cannabis Plant macro image of buds

Autoflowering cannabis seeds offer a plethora of benefits that significantly transform the growing experience. First, autoflowering plants generally require less time to reach maturity compared to their photoperiod counterparts. The swift lifecycle, ranging between 8-10 weeks for most strains, facilitates multiple harvests within a single growing season, amplifying production capacity and economic feasibility.

The second advantage lies in their modest size, as autoflowering plants typically remain short and bushy. This compact stature makes them an ideal candidate for space-constrained areas and discreet growing operations. Additionally, it reduces the need for extensive pruning or training, making them less labor-intensive to manage.

Perhaps the most notable benefit pertains to the light schedule. The non-reliance on specific light cycles to induce flowering grants growers the liberty to cultivate these plants irrespective of the season or light exposure, a factor that particularly benefits indoor growers.

Autoflower Seeds FAQ

Are autoflowering plants good for beginner growers?

Autoflowering seeds can be an excellent choice for beginners due to their relatively straightforward growing process. Their resistance to light schedule mistakes, shorter growing period, and typically compact size can make them less daunting for novice growers.


How long do autoflowering plants typically take to grow from seed to harvest?

Autoflowering cannabis plants usually take between 8 to 14 weeks from seed to harvest, although this can slightly vary based on the specific strain and growing conditions.


Can you clone autoflowering cannabis plants?

While technically possible, cloning autoflowering cannabis plants is generally not recommended. This is because autoflowering plants have a set lifecycle, meaning a clone will be as old as the mother plant and will therefore have less time to develop before it starts flowering.


How much light do autoflowering plants need?

Autoflowering plants are not dependent on light cycles to flower. However, they still need ample light to grow and produce buds. A schedule of 18 hours of light and 6 hours of darkness is often recommended for optimal growth.


Can autoflowering plants be grown in a hydroponic setup?

Autoflowering cannabis plants can thrive in a hydroponic setup. Hydroponic systems can offer a high degree of control over nutrient delivery, which can be especially beneficial for autoflowers due to their sensitivity to overfeeding.


Can autoflowering cannabis seeds be grown outdoors?

Yes, autoflowering cannabis seeds can be grown outdoors. In fact, their rapid growth and small size make them a good option for outdoor growers looking to have multiple harvests in one season.


Do autoflowering cannabis plants produce less THC than regular cannabis plants?

Historically, autoflowering cannabis strains were less potent than their photoperiod counterparts. However, modern breeding techniques have significantly narrowed this gap, and many autoflowering strains now offer high THC levels comparable to photoperiod strains.


How many crops per year can I get from autoflowering plants?

Autoflowering cannabis plants, due to their short life cycle, allow for multiple harvests within a single year. In optimal conditions, growers can potentially achieve 3-4 cycles per year, but this is largely dependent on the specific strain and the environment in which they're grown.


Can you train autoflowering cannabis plants?

Yes, autoflowering cannabis plants can be trained. However, due to their short life cycle, the window for training is much smaller than for photoperiod strains. Techniques such as low-stress training (LST) are often recommended, as they are less likely to stress the plant and affect its overall yield.


Can autoflowering plants be grown from cuttings?

Similar to the issue with cloning, it's not recommended to grow autoflowering plants from cuttings. The cutting would inherit the same age as the mother plant and would therefore flower in the same short time, leaving little opportunity for the plant to develop a robust root system and structure.


What are the best nutrients for autoflowering cannabis?

Like all cannabis plants, autoflowering strains require a balanced intake of macronutrients (Nitrogen, Phosphorus, and Potassium) and micronutrients (such as Calcium, Iron, and Magnesium). However, because of their rapid growth rate, autoflowers can be sensitive to overfeeding. A nutrient solution specifically designed for cannabis and applied judiciously is often recommended.


Can autoflowering cannabis be feminized?

Yes, much like photoperiod strains, autoflowering cannabis seeds can be feminized. In fact, most commercially available autoflowering seeds are feminized to ensure that almost all seeds will grow into bud-producing female plants.


Are autoflowering cannabis plants less flavorful than photoperiod plants?

Historically, autoflowering strains were considered less flavorful due to the Ruderalis genetics. However, thanks to advanced breeding techniques, modern autoflowering strains now boast a diverse array of rich terpene profiles, rivalling and sometimes surpassing their photoperiod counterparts.


How much yield can I expect from an autoflowering cannabis plant?

Yield can significantly vary depending on the strain, the grower's experience, and the growing conditions. However, as a general rule, autoflowering plants yield less than their photoperiod counterparts due to their smaller size and shorter life cycle. On average, one can expect to yield around 1 to 6 ounces per autoflowering plant under optimal conditions.


Can you grow autoflowering plants organically?

Absolutely. Like any other plants, autoflowering cannabis plants can be grown organically. Organic cultivation methods often result in healthier plants and potentially more flavorful buds as the plants can benefit from a diverse array of naturally occurring soil organisms and nutrients.


Are autoflowering plants good for making concentrates or edibles?

Yes, autoflowering plants can produce high-quality concentrates and edibles. While they may yield less raw material than photoperiod plants, the potency, flavor, and aroma of the buds are more than suitable for producing a wide variety of cannabis products.


How much water do autoflowering cannabis plants require?

Autoflowering plants can be an excellent choice for beginners due to their relatively straightforward growing process. Their resistance to light schedule mistakes, shorter growing period, and typically compact size can make them less daunting for novice growers.


How should I harvest and cure autoflowering cannabis plants?

Harvesting and curing autoflowering cannabis is fundamentally the same as with photoperiod strains. Harvesting should ideally occur when the trichomes on the buds change from clear to a milky white, and curing should be carried out in a cool, dark place. Proper curing can significantly enhance the final product's flavor and overall quality.


Are autoflowering strains as potent as regular strains?

Modern autoflowering strains have significantly closed the gap in potency compared to their photoperiod counterparts. Through selective breeding practices, many autoflowering strains now feature high THC levels, while also offering a variety of cannabinoid and terpene profiles for a range of sensory and effects experiences.


Can I grow autoflowering plants with other types of cannabis plants?

Yes, autoflowering plants can be grown alongside other cannabis plants. However, it's important to consider that autoflowering plants will transition into the flowering stage independently of the light cycle, while photoperiod plants require a change in light schedule to trigger flowering.



Closeup of Autoflowering Marijuana Bud


Analysis of autoflowering cannabis seeds, also known as "autoflower seeds" or "auto seeds". Autoflower seeds are popular in the U.S. among recreational and medical marijuana growers across the country. This guide serves as a comprehensive resource for understanding and navigating the world of autoflowering cannabis.


The primary objective of this guide is not only to provide an informative resource but also to foster a better understanding of the world of autoflowering cannabis. By selecting autoflowering cannabis seeds, growers are able to leverage the benefits of swift growth, smaller size, and the convenience of non-reliance on light schedules. The strains outlined in this guide represent a diverse array of options that cater to various user preferences, from the flavor profile to the THC content and the type of high experienced. By demystifying these plants and their needs, it is our hope that growers will feel more confident in harnessing the immense potential that these unique cannabis variants present.


The crux of this analysis pivots around the numerous advantages and wide-ranging potential of autoflowering cannabis seeds. Recognized for their expedited growth, compact stature, and unique ability to flower independent of light cycles, autoflowers have become a staple in both recreational and medical marijuana cultivation throughout the U.S. The strains enumerated in this guide offer a representative sample of the diverse assortment of autoflowers currently available, each with its unique blend of flavors, THC content, and induced effects, catering to a broad spectrum of user preferences.

By elucidating the distinctive attributes and requirements of these plants, it is our aspiration that growers, whether novice or seasoned, will feel equipped to unlock the vast potential inherent in these cannabis variants. Through a combination of knowledge dissemination and practical advice, this guide aims to empower growers in their pursuit of successful cultivation endeavors with autoflowering cannabis seeds.

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