As one of Europe’s largest seed banks, we have pretty accurate insight into cannabis industry trends. Based on our data, we’ve identified the most popular autoflowering cannabis varieties within our catalogue for 2021.

These strains—including those from our USA Premium and Classics lines—offer some of the best features you can find in an autoflower, or a photoperiod strain for that matter. They are super easy to cultivate, grow extremely fast, and deliver outrageously tasty terpene profiles.

Check out the most popular automatic strains of 2021, and get some inspiration for this year’s growing season.

Green Gelato Automatic

Following a breeding programme featuring parent strains Green Gelato and Cookies Auto, our team managed to create a variety with a massive THC level of 24%. This groundbreaking leap means growers can now achieve equally powerful buds, but in a fraction of the time. Get ready for an electrifying high that only the best hybrids can provide, as well as a tasty terpene profile teeming with sweetness and earth.

Green Gelato Automatic maintains a medium size throughout the growing cycle, and puts out rewarding yields at the end of it. Indoor plants reach 70–120cm and produce 375–450g/m². Plants grown outdoors in containers and raised beds reach slightly taller heights of 100–120cm and produce up to 175g/plant. Prepare to harvest these beautiful green-orange buds a mere 9–10 weeks after germination.

Green Gelato Automatic

Green Gelato Automatic
Green Gelato x Cookies Auto
375 - 450 gr/m2
70 - 120 cm
7 - 8 weeks
THC: 24%
Sativa 55% Indica 40% Ruderalis 5%
100 - 175 gr/plant
100 - 120 cm
9 - 10 weeks after sprouting
Clear, Physically Relaxing

Buy Green Gelato Automatic

Royal Gorilla Automatic

Royal Gorilla Automatic will swiftly become the star in your grow room or garden. This speedy auto develops a canopy loaded with stunning flowers boasting shades of deep purple and dark green.

She stems from a legendary mix of parent strains, namely Gorilla and Cookies, that converged to produce a hard-hitting THC content of 20% alongside flavours of citrus and pine. Combined with her indica-dominant genetics, these features guarantee a stoning, no-holds-barred body high. Her effects go down particularly well when you have absolutely nothing else to do. Enjoy them on the beach, in the forest, or simply on the couch at home.

RGA plants rarely surpass 120cm in height, but you can expect admirable yields of up to 400g/m² indoors and 120–170g/plant outdoors. Prepare your stash jars and sharpen your trimming scissors for harvest 10–12 weeks after germination.

Royal Gorilla Auto

Royal Gorilla Automatic
Gorilla x Cookies x Ruderalis
325 - 400 gr/m2
70 - 100 cm
6 - 8 weeks
THC: 20%
Sativa 30% Indica 50% Ruderalis 20%
120 - 170 gr/plant
80 - 140 cm
10 - 12 weeks after sprouting
Heavy, Physically Relaxing, Stoned

Buy Royal Gorilla Automatic

Quick One

As her name suggests, Quick One holds the title of one of the fastest automatic strains available. After placing seeds in the soil, you can expect to begin drying her flowers nine weeks later. This impressive speed attracts all types of growers, including those who value discretion and stealth above all else.

Quick One’s compact and resinous buds develop a mild, pleasant aroma backed by fruity terpenes, as well as a THC level of 13%. Upon smoking or vaping, she offers a relaxing and subtle high that elevates the mood while keeping the mind clear.

Quick One grows up to 60–100cm, but low-stress training can be used to keep her at around 50cm. Despite her small stature, this lady still produces yields that will keep you buzzed for weeks to come. Indoor plants max out at 325g/m², while their outdoor counterparts produce up to 150g/plant.

Quick One

Quick One
Lowryder 1 x Old School Indica
275 - 325 gr/m2
50 - 60 cm
5 - 6 Weeks
THC: 13%
Sativa 10% Indica 60% Ruderalis 30%
100 - 150 gr/plant
60 - 100 cm
9 - 10 weeks after sprouting
Physically Relaxing

Buy Quick One

Northern Light Automatic

Northern Light Automatic descends from the legendary original strain. The predecessor remains one of the most famous varieties of all time, and for good reason. Our breeders managed to skilfully capture her best traits in an autoflower by crossing her with Cannabis ruderalis genetics. She emerged with a genetic profile of 80% indica and 20% ruderalis, retaining the original strain's iconic indica dominance.

Featuring stunning shades of blue, purple, and green, they serve up a comforting THC value of 14%. Although slightly stoning, her effects also uplift the mind and encourage a motivated state.

After a growing cycle of 10–12 weeks, you’ll be ready to harvest 500–550g/m² indoors and 170–220g/plant outdoors. As a welcome bonus, plants top out at a reasonable height of 160cm. Once her buds are dried and cured, brace your taste buds for a complex terpene profile of citrus, earth, fruit, pepper, and pine.

Northern Light

Northern Light Automatic
Northern Light x Ruderalis
500 - 550 gr/m2
80 - 120 cm
6 - 8 weeks
THC: 14%
Sativa 0% Indica 80% Ruderalis 20%
170 - 220 gr/plant
130 - 160 cm
10 - 12 weeks after sprouting
Clear, Uplifting

Buy Northern Light Automatic

Fat Banana Automatic

If you value sensational indica highs, high levels of THC, and fruity tastes, you need to grow this strain. By crossing Fat Banana with Cookies Auto, we created possibly the tastiest automatic cultivar available. The fruity and earthy terpene profile goes down well in joints, but really comes to the fore when vaporized.

Fat Banana Automatic possesses a genetic profile of 70% indica, 20% sativa, and 10% ruderalis. Her light green flowers become almost white with a coating of trichomes, which manufacture a hearty THC level of 22%. Gear up for a fast-acting and long-lasting high that melts the muscles, slows down the mind, and catalyses moments of bliss and serenity.

Indoor plants reach 70–100cm in height and produce up to 450g/m². Plants grown outdoors reach taller heights of 120cm and produce 90–175g/plant. Dislike waiting too long to taste the fruits of your labour? Don’t stress! You’ll be able to sample your goods 9–10 weeks after germination.

Fat Banana Automatic

Fat Banana Automatic
Fat Banana x Cookies Auto
375 - 450 gr/m2
70 - 100 cm
7 - 8 weeks
THC: 22%
Sativa 20% Indica 70% Ruderalis 10%
90 - 175 gr/plant
80 - 120 cm
9 - 10 weeks after sprouting
Calming, Clear

Buy Fat Banana Automatic

Royal Dwarf

This short and stout strain allows growers to achieve a personal stash just about anywhere. Grow her in converted computer towers, 5-litre buckets, or even a kitchen cupboard! At a height of 40–50cm, growers have a huge amount of control over how this strain grows. Royal Dwarf descends from the Skunk lineage and thrives in colder environments.

Despite a mild THC content of 13%, Royal Dwarf impresses with a Skunk-driven high defined by slight euphoria and a physical buzz. Classically dank flavours of earth and Skunk make for a good “throwback” smoke.

Growing this strain indoors results in a top yield of 200g/m², whereas outdoor plants max out at 80g/plant.

Royal Dwarf

Royal Dwarf
Skunk x Ruderalis
150 - 200 gr/m2
40 - 70 cm
6 - 7 weeks
THC: 13%
Sativa 10% Indica 60% Ruderalis 30%
30 - 80 gr/plant
50 - 90 cm
9 - 10 weeks after sprouting
Creative, Motivating

Buy Royal Dwarf

Purple Queen Automatic

Could this strain be the pinnacle of cannabis aesthetics? We’d like to think so! Purple Queen Automatic provides a regal display of beauty, featuring flowers with a mix of purple, green, orange, and yellow hues. Who needs roses when you have this automatic cultivar in your garden?

Derived from Purple Queen and Critical Auto, this striking variety features a vastly indica-dominant genetic profile. Her THC value of 16% and fruity and earthy terpenes synergise to produce a euphoric effect. The high hits almost immediately, beginning with a bout of physical relaxation that melts the muscles. Not long after, the effects begin to target the mind, inspiring philosophical thoughts and deep, trippy discussions.

Growing indoors? Watch your plant reach 90–130cm and produce a yield of 350–400g/m². Outdoor plants max out at 140cm in height and produce 100–150g/plant. Prepare your drying setup for harvest around nine weeks after germination.

Purple Queen Auto

Purple Queen Automatic
Purple Queen x Critical Auto
350 - 400 gr/m2
90 - 130 cm
6 - 7 weeks
THC: 16%
Sativa 15% Indica 80% Ruderalis 5%
100 - 150 gr/plant
90 - 140 cm
8 - 9 weeks after sprouting
Calming, Euphoric

Buy Purple Queen Automatic

HulkBerry Automatic

HulkBerry Automatic stems from the original “green monster”. HulkBerry Automatic ranks as one of the most potent automatic strains you can find, clocking in with a THC content of 21%. Together with her sativa-dominant genetics and fruity terpenes, she gives rise to an uplifting, clear, and cerebral effect.

Although motivating, her formidable THC content makes it easy to overdo things.

Thankfully, you won’t run low on these flowers any time soon. Indoor plants produce a significant yield of 450–500g/m² while outdoor specimens churn out 100–150g/plant. Plants maintain a height of 80–120cm in both settings and will be ready to harvest only 8–9 weeks after sprouts emerge from the soil.

Hulkberry Automatic

HulkBerry Automatic
Hulkberry x Diesel Auto
450 - 500 gr/m2
80 - 120 cm
6 - 7 weeks
THC: 21%
Sativa 65% Indica 30% Ruderalis 5%
100 - 150 gr/plant
80 - 120 cm
8 - 9 weeks after sprouting
Clear, Uplifting

Buy HulkBerry Automatic

Watermelon Automatic

Our expert breeders crafted Watermelon Automatic with taste at the forefront of their minds. To achieve this explosion of terpenes, they crossed the scrumptious Tropicanna Cookies with the zesty Lemon OG. Perfecting the progeny, Watermelon Automatic boasts a tropical, watermelon-like terpene profile and 20% THC.

Her phytochemical makeup also includes medium levels of CBD. The cannabinoid works to take the edge off her high and reduce the chance of feeling overwhelmed.

Grow her indoors to achieve a yield of 400–500g/m² with minimal input. She has sturdy genetics, deals well with neglect, and largely takes care of herself. Watch her small sprout surge into a fully mature plant within a mind-boggling time frame of 8–9 weeks. Outdoor plants grow to heights of 90–120cm and produce a respectable yield of 100g/plant.

Watermelon Automatic

Watermelon Automatic
Tropicanna Cookies x Lemon OG
450 - 500 gr/m2
80 - 110 cm
6 - 7 weeks
THC: 20%
Sativa 20%, Indica 75%, Ruderalis 5%
50 - 90 gr/plant
100 - 120 cm
8 - 9 weeks after sprouting
Calming

Buy Watermelon Automatic

Purple Punch Automatic

This potent indica offers an antidote to busy and hectic days. The meditative strain plunges the mind into the present moment, puts a stop to ruminating thoughts, and reminds users of the magic of life. A THC level of 19% works side by side with stoning terpenes to achieve this temporary state of nirvana.

She inherited these pleasant effects, as well as her generous yields and compact structure, from parent strains Purple Punch and Old Skunk Auto. Overall, Purple Punch Automatic is a great strain for beginners seeking high levels of THC, and advanced growers looking for an easy harvest.

Plants grown indoors reach up to 110cm tall, and produce more impressive yields when subject to low-stress training. Expect good yields of 350–400g/m² following a brief growing cycle of 10 weeks. Outdoor plants thrive in raised beds among companion plants, such as yarrow and dill, that keep them safe from marauding insects. They’ll peak at 120cm tall and produce 80–140g/plant.

Purple Punch Automatic

Purple Punch Automatic
Purple Punch x Old Skunk Auto
350 - 400 gr/m2
60 - 100 cm
7 - 8 weeks
THC: 19%
Sativa 20%, Indica 75%, Ruderalis 5%
80 - 130 gr/plant
80 - 120 cm
9 - 10 weeks after sprouting
Physically Relaxing

Buy Purple Punch Automatic

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