Stoney Tark edited on: March 16, 2023 8 minutes read

"Planting autoflowering genetics indoors could not be easier. There is no need to transplant them and as long as they receive more than 12 hours of light you will get spectacular results. Our team has taken the time to choose the top 10 auto to grow indoors, as well as our honorable mentions list."

Nirvana’s best autoflower strains for indoor cultivation

Growing Cannabis plants indoors allows a grower to control their environment, meaning lighting, nutrients, temperature, and humidity are in your hands. This opens the doors for autoflowering genetics to be grown using anywhere from 12-18 hours of intense lighting for the best results.

Autos are not reliant on a particular lighting regime to induce flowering, as typically associated with photoperiod cultivars. Basically, once planted from seed, the autos will vegetate for a 4-week period, before flowering automatically. With a strong resilience to pathogens, heat stress and cold temperatures, you find autos are an excellent addition to any indoor grow room. 

We all know you can achieve some incredible outdoors autoflowering yields, but indoors you can really see what these autoflowering ladies can do! With such a variety of large yielding, easy to grow and low maintenance autos now available, there has never been so much to chose from!  Our team recommends planting directly into a large-sized container, and to use only HID lighting.

1. Original Glue Auto

We start our top 10 list with Original Glue Auto, which is a cross of Original Glue and autoflowering genetics. A superb performer when grown indoors under HID lighting, and with a harvest date from seed to harvest of 9-10 weeks, Auto Gorilla is a must-have for any indoor grower.

Similar to Original Glue, expect plants to be heavy yielders, that grow the stickies buds possible. A wonderful choice for extract artists, and a medium-sized plant that will grow as tall as 120 cm (47 inches). 

Yields of 500 g/m² (1.6 oz per square foot) can be harvested when grown indoors and, when fed regularly, can become very productive. Original Glue Auto is a fast flowering, easy to maintain and solid performer under all conditions. 

The aroma and flavor of the buds have a very pungent chemical, solvent, glue and fuel profile, which is accompanied by a knock-out physical effect, that will surely leave you glued to the couch.

Discover Nirvana’s Feminized Original Glue Auto seeds.

2. Somango XXL Auto

Somango XXL Auto is a real pleasure to grow, and is a cross of Somango XXL and autoflowering genetics. She is one of the largest producing autos we offer, and it is recommended to provide plenty of space for her to flower.

From seed to harvest, Somango XXL Auto will require between 10-13 weeks depending on the phenotype, with plants growing 100-125 cm (39-49 inches) tall.  When flowering, plants will display a mix of purple, pinks and tropical colors. 

Indoors, yields of 450 g/m² (1.5 oz per square foot) can be harvested, with plants producing long, elongated buds with large-sized trichomes. Somango XXL Auto is straightforward to grow and ideal for a beginner. 

Her aroma and flavor are a delicious tropical fruit cocktail, that is a mix of mango, earthy and sweet notes. The effects are truly uplifting and energizing. She will induce your inner creative side and help keep you in the zone.

Discover Nirvana’s Feminized Somango XXL Auto seeds.

3. Gelato Auto

Gelato Auto is a magnificent autoflowering version of the cup winning photoperiod version. Created by crossing Gelato with autoflowering genetics, the results are an easy to grow cultivar, that can take high amounts of nutrients and grows exceptionally frosty buds.

A solid performer indoors and outdoors, and with a final height of 90-120 cm (35-47 inches), Gelato Auto is well suited for indoor spaces and especially SOG set-ups.

500 g/m² (1.6 oz per square foot) can be harvested, within a time from 8-9 weeks from planting. A rapid autoflowering cultivar ideal for indoor growers searching for a fast turnaround time between harvests.

Gelato Auto has a lip licking vanilla, cookie, spicy and earthy taste and aroma. Opening a jar of this flower will fill any room with a head turning stench of high-grade bud. The effect is upbeat, joyful, happy and with a totally relaxed mind set.

Discover Nirvana’s Feminized Gelato Auto seeds.

4. Lemon OG Haze Auto

For the Haze lovers, we have added OG Lemon Haze Auto to the list. A cross of autoflowering genetics and Lemon OG Haze. Expect large producing plants that will grow as tall as 120 cm (47 inches).

Some phenotypes may require 10 weeks before harvesting and will flower with pointy, dense and frosted bright-green buds. The growth structure will be open with plenty of room between internodes, so a great strain to train for the first 3 weeks. 

Indoors, yields of 400 g/m² (1.3 oz per square foot) can be harvested every 70 days. She can also take high amounts of nutrients and, when grown with hydro, can really go for it in the yield department.

Her effects are heart racing, energetic and deeply motivational. A great way to start your busy days!

Discover Nirvana’s Feminized Lemon OG Haze Auto seeds.

5. Super Skunk Auto

Super Skunk Auto is an old school Super Skunk crossed with autoflowering genetics. She is a fast flowering auto that is very resilient to heat stress and intense lighting. 

One of our easier to grow autos that is perfect for beginner growers. As most plants will finish at 100 cm (39 inches) tall. Super Skunk Auto will require 10-11 weeks before plants are ready to harvest.

Indoors, yields of up to 400 g/m² (1.3 oz per square foot) are possible, and we advise making sure your carbon filters are working overtime with this loud cultivar.

The aroma and flavor can be described as Skunk, pungent, earthy with gassy overtones. Her effects are the perfect blend of indica and sativa so are well-balanced, and perfect for morning and daytime.

Discover Nirvana’s Feminized Super Skunk Auto seeds.

6. Girl Scout Cookies Auto

An autoflowering version of the multiple cup winning Girl Scout Cookies, made by crossing autoflowering genetics with a female Cookies plant. She stays low and is easy to grow, requiring almost zero maintenance once growing. 

From seed to harvest, flowering time will take 10 weeks, and plants will finish at 90 cm (35 inches). The buds will have a purple hue to them and, during the final 3 weeks, will begin to stack up and swell. 

Indoors, Girl Scout Cookies Auto can harvest up to 450 g/m² (1.5 oz per square foot). A great strain for small spaces, and a producer of elite terpenes. We recommended this cultivar to first time growers thanks to her easy to grow nature. 

Her flavor and aroma are the classic Cookie profile which boasts a loud, vanilla, spiced, cookie dough with an effect that will keep you high in a blissful and euphoric state. 

Discover Nirvana’s Feminized Girl Scout Cookies Auto seeds.

7. White Widow Auto

An old school legend that can be grown in almost all conditions. White Widow Auto was made by crossing our White Widow mother with autoflowering genetics.

Expect excessive amounts of resin production, making her ideal for hash makers or extract artists. With a harvest date from planting of 11-12 weeks, plants will grow medium-sized and mature at a height between 90-120 cm (35-47 inches) 

450 g/m² (1.5 oz per square foot) of top quality buds can be produced indoors, with plenty of high-grade sugar trim. One of the most resilient and easiest to grow autos we offer, and a must-have for beginners.

The aroma and taste of White Widow Auto buds is a mixture of old school spice, herbal, floral with woody and pungent notes. Her effects are clear minded, focused and cerebral. A wise choice for morning and daytime.

Discover Nirvana’s Feminized White Widow Auto seeds.

8. Blue Cheese Auto

Blue Cheese Auto is an indica dominant auto, who likes to stay short, with a quick flowering time. A great choice for those who need a fast flowering cultivar with superb flavor and aroma. A cross of Blue Cheese and autoflowering genetics. 

Plants will grow as tall as 100 cm (39 inches), making her a medium-sized plant ideal for small indoor spaces. Internodal space will be short and tight typical of an indica, with a flowering time of 9-10 weeks

 300 g/m² (1 oz per square foot) can be achieved indoors; however, we advise either planting a large volume of plants in a Sea of Green set up, or to train the plants up for the first 4 weeks to help increase yields.

Her flavor and aroma can be described as pungent, creamy, blueberry with floral and dank. Be warned when smoking this auto, as she can blow your socks off with her potency and shut your lights off.

Discover Nirvana’s Feminized Blue Cheese Auto seeds.

9. Amnesia Haze Auto

We decided to add Amnesia Haze Auto to the list, as she has easily become Europe’s favorite Haze to smoke and grow. A cross of Amnesia Haze and autoflowering genetics, you can expect large yields in a time of 11-13 weeks from planting.

A brilliant performer when planted indoors under HID lighting, with most plants finishing around 120-150 cm (47-59 inches) tall. She may require some maintenance and support due to her large size and stature.

When harvesting, yields of up to 400 g/m² (1.3 oz per square foot).can be achieved between 77-91 days. She can take large amounts of organic or hydroponic nutrients, and will reward you with fat and chunky nugs.

The flavor and aroma can be described as a mixture of orange, citrus, mango with an earthy sweetness. The effect of Amnesia Haze Auto is alert, focused, motivated and energized.

Discover Nirvana’s Feminized Amnesia Haze Auto seeds.

10. Zkittlez Auto

We end this list with an autoflowering version of Zkittles. This cultivar was created by crossing autoflowering genetics, to produce a plant that takes 11-13 weeks from planting. 

One of the largest yielding autos on the market with an exceptionally complex terpene profile. Zkittles Auto will produce plants that are between 100-120 cm (39-47 inches) and are easy to maintain once flowering starts.

When harvesting, yields of up to 500 g/m² (1.6 oz per square foot) can be achieved, so we advise giving her plenty of room when flowering. A large producer of bright green, tropical, candy and sweet-smelling buds.

The aroma and flavor are a mixture of sweet shop candy, strawberry, banana, citrus with sweet overtones. A truly delightful taste that has a feel good, euphoric and balanced effect perfect for daytime. 

Discover Nirvana’s Feminized Zkittlez Auto seeds.

Honorable Mentions

These may not have made the Top 10 list, however, AK48 Auto, Aurora Indica Auto, Critical Auto and Jock Horror Auto are great autos to be grown indoors.

Growing autoflowering cannabis plants can be an eye-opening experience as a grower. Not only do you get to see how versatile and incredible the Cannabis plants have become, you can learn a lot about the plant's life cycle from seed to harvest. If you are not yet ready to fill a room with autos, then we strongly recommend planting a few in your vegging room (18/6) to ensure you have a good harvest whilst waiting for your other crop.

Stoney Tark

Stoney Tark has been involved with cannabis for over 15 years. During this time, he has become head writer for the long-standing magazine; Soft Secrets, a position he has held for the last ten years, alongside writing for every other main publication.

Author of Stoney Tark’s Top Tips on Growing Cannabis, host of The Roll Models Podcast, breeder and sponsored by SANlight LED. Stoney is well versed in many systems and methods of growing, including, Organics, Hydroponics, Breeding, and Hash production. 

Well known in the public eye for his easy-to-understand and detailed breakdowns of all things related to cannabis. 

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