Top 10 Autoflower seeds UK: best for outdoor growing

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The UK can be a cold, humid and windy place. Its temperate climate means that more sun-obsessed California strains will do no good outdoors there. Yet, a cool climate doesn’t mean you can’t grow outdoors.

Hardy autoflower strains are a popular solution for growing plants successfully in the UK’s climate. That’s because autoflower seeds switch naturally from the vegetative to flowering stage, no matter the available light. With that, faster harvests under UK conditions are possible.

What’s more, plants with high mold resistance and lower temperature toleration will do best in the UK. Tips for success include planting during warmer seasons with good weather projections to get started. So don’t let the UK’s dreary weather reputation get in the way of good growth, use one of our top 10 UK outdoor autoflower strains.

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Top 10 Autoflower Seeds UK

  1. Blue Cheese Auto
  2. Cheese Auto
  3. Critical Purple Auto
  4. Super Skunk Auto
  5. Girl Scout Cookies Auto
  6. Gorilla Glue Auto
  7. Northern Lights x Big Bud Auto
  8. Zkittlez Auto
  9. White Widow Auto
  10. Northern Lights Auto

1. Blue Cheese Auto

Blue Cheese is a big UK favorite and Indica-dominant strain. It boasts heavy effects that are excellent relaxants, making it ideal for treating stress or sore muscles. The THC level is relatively measured, with noted euphoric effects that uplift and amuse.

Growing

Blue Cheese is an easy-grow strain that’s hardy and boasts a high fungal resistance profile. That makes it perfect for beginner outdoor growers, and a trustworthy seed for general outdoor success. In optimal conditions, it can reach heights of some 110 cm. It has a short life cycle that’s ideally planted in spring for perfect results.

Smell, taste and effect

Blue Cheese autoflower strains are renowned for their distinctive fruity profile. Expect aromatic aromas of deep, dank cheese, with notes of berries and rich forest fruits. The taste, too, is surprisingly fruity. The renowned after tones of blue cheese and brie are beloved by many.

Blue Cheese autoflowering feminized seeds Blue Cheese autoflowering feminized seeds
Levels 16% THC / 0.3% CBD
Variety 40% Indica / 35% Sativa
Yield 275 to 400 grams/m²
Flowering time up to 84 days
Growersprofile Beginner

2. Cheese Auto

Cheese is a true original Indica-Sativa strain that’s popular throughout Europe. Why? The quick growth and flavor. Just like its name, it boasts a savory profile that many have come to admire. Cheese itself has a solid THC profile and is beloved for its relaxing and uplifting high.

Growing

Cheese is an ideal outdoor option for those that know how to grow. A low fungal resistance rating means that you have to be careful with your weather calendar. With good prep and care, you’ll have no issues cultivating a fine plant. Outdoors, you can expect heights of 120 cm in optimal conditions. It’s better suited to sunny southern UK climates.

Smell, taste and effect

Cheese is a distinct and unique strain with a blend of funky fruit and Parmesan cheese. To smell, there are fresh floral notes, pine forest aromas and shavings of freshly grated hard cheese. The taste is more unique, with bold cheesy flavors and a deep fruit profile.

Cheese autoflowering feminized seeds Cheese autoflowering feminized seeds
Levels 17% THC / 0.8% CBD
Variety 40% Indica / 40% Sativa
Yield 150 to 350 grams/m²
Flowering time up to 70 days
Growersprofile Moderate

3. Critical Purple Auto

Critical Purple is a classic autoflowering strain that’s easy on nutrients and easy to grow. High in THC, the high is associated with long-lasting physical effects that are relaxed and calming. This is an Indica-dominant outdoor strain that’s noted for its colorful, purple appearance.

Growing

Critical Purple is an easy-grow autoflower seed that’s perfect for beginners. The high fungal resistance ensures that it thrives both indoors and outdoors. The plant, however, has a long flowering period of 11 weeks or more. As such, you’re best planting this in spring so that it flowers in good weather. In general, you can expect this strain to reach heights of up to 120 cm outdoors.

Smell, taste and effect

Critical Purple has a classic combination of sweet and floral flavors. Its aroma consists of rose petals and perfume that’s a real treat. To taste, you’ll discover sweet and candied notes like grape and citrus.

Critical Purple autoflowering seeds Critical Purple autoflowering seeds
Levels 25% THC / 0.7% CBD
Variety 60% Indica / 20% Sativa
Yield 150 to 350 grams/m²
Flowering time up to 70 days
Growersprofile Beginner

4. Super Skunk Auto

Autoflowering Super Skunk is a hardy plant that’s been a favorite across Europe for some time. Dutch coffee shops, in particular, are fond of this Indica-dominant strain thanks to its great balance of effects and simplicity. The moderate THC level offers a euphoric and uplifting high that’s perfect for combatting stress and anxiety.

Growing

With large outdoor yields and a quick harvest time, you can expect great things from Super Skunk. It is particularly fond of long sunny periods, so be sure to plan accordingly for optimal growth. In terms of height, you can expect a full growth of up to 130 cm. Its impressive outdoor yield can offer up to 550 grams per m². More experienced growers can utilize advanced training methods for greater success.

Smell, taste and effect

Super Skunk lives up to its name with a strong and pungent skunky aroma. The flavor profile is more complex, with intensely fruity notes of lemon and orange. You’ll find undercurrents of earth and sweet pine.

Super Skunk autoflowering seeds Super Skunk autoflowering seeds
Levels 14% THC / 0.3% CBD
Variety 60% Indica / 20% Sativa
Yield 400 to 550 grams/m²
Flowering time up to 56 days
Growersprofile Beginner

5. Girl Scout Cookies Auto

Girls Scout Cookie autoflower is an Indica-dominant strain that originated in California. So named for its sweetness and baked sugar goodness, its boast high THC levels for impressive effects. Just a few hits will have you feeling happy and stress-free with a sustained and creative high.

Growing

Autoflowering seeds make this easy-grow strain even simpler to cultivate outdoors. Beginners will have few issues with this high mold resistant profile. However, as its origins in California indicate, you’ll need sustained periods of sun and warmth for optimal growth. In these prime outdoor conditions, you can expect heights of up to 190 cm.

Smell, taste and effect

Although its name sounds innocent, Girl Scout Cookie packs a punch. The scent is a combination of deep, earthy notes and baked sugar cookies. To taste, you’ll find dark chocolate tones, bittersweet molasses and famed minty notes. Think chocolate-mint cookie dough.

Girl Scout Cookies autoflowering seeds Girl Scout Cookies autoflowering seeds
Levels 22% THC / 0.5% CBD
Variety 60% Indica / 20% Sativa
Yield 250 to 600 grams/m²
Flowering time up to 63 days
Growersprofile Beginner

6. Gorilla Glue Auto

Gorilla Glue is a THC-high, Indica-dominant autoflower strain that’s won numerous awards. Renowned for its big kick and sustained uplifting high, it’s easy to see why it’s so popular. The strain gets its name from the thick, sticky resin it produces that make the buds difficult to cut off.

Growing

Gorilla Glue is easy to grow outdoors thanks to its autoflower characteristics, making it perfect for beginners. It has a very short flowering time, with early signs arriving in just a few weeks. In terms of the life cycle, you can expect harvesting in just 10 weeks. The high fungal resistance is particularly suited to the UK’s outdoor climate, but be sure to schedule planting for growth under sunny conditions.

Smell, taste and effect

Gorilla Glue boasts a complex and woody flavor profile, with aromas of pine and sandalwood. Its piney, resin aroma is matched by deep mossy scents. The taste is similar, with big notes of wild cherry and spicy accents. A petroleum smell is also present thanks to the huge THC kick.

Gorilla Glue autoflowering feminized seeds Gorilla Glue autoflowering feminized seeds
Levels 26% THC / 1% CBD
Variety 50% Indica / 40% Sativa
Yield 350 to 550 grams/m²
Flowering time up to 56 days
Growersprofile Beginner

7. Northern Lights x Big Bud Auto

This impressive Indica-dominant strain is a hybrid of two big coffee shop classics. The result is an autoflower seed that’s easy to grow with a gentle and balanced effect. Renowned for its medicinal use, it produces a relaxing and euphoric high that’s ideal for combatting stress or insomnia.

Growing

This is a hardy plant that’s great for beginners to get to know, but even better for experienced growers. Easy to grow with huge potential yields, it can reach big heights of 170 cm outdoors. As it has a medium fungal resistance rating, you should avoid rainy autumns if you can. The short harvest time of 13 weeks makes it perfect for those warm, sunny UK spells. It does benefit from fertilizer to maximize potential.

Smell, taste and effect

Northern Lights x Big Bud buds give off punchy earthy aromas and pack a lovely sweet flavor. To taste, you’ll discover citrus and orange notes, followed by spice and pine.

Northern Lights x Big Bud autoflowering feminized seeds Northern Lights x Big Bud autoflowering feminized seeds
Levels 19% THC / 3% CBD
Variety 80% Indica / 0% Sativa
Yield 400 to 600 grams/m²
Flowering time up to 60 days
Growersprofile Moderate

8. Zkittlez Auto

Zkittlez autoflower seeds are among the most popular strains available. Robust and hardy, they are easy to grow and pack a considerable THC profile. The result is a well-balanced high that’s renowned for its clarity, focus and calming effects.

Growing

Zkittlez is a favorite with novices and experienced growers alike. It has a high fungal resistance, which makes it suited to the UK’s unpredictable climate. When grown outdoors, you can be as hands-on or off as you’d like. While training methods see best results, they aren’t necessary. Still, long sunny and warm spells are ideal if you want to produce the plant’s renowned big resin buds. You can expect outdoors heights of 100 cm and a flowering time of up to 10 weeks.

Smell, taste and effect

Zkittlez does what it says with a candy-sweet aroma of grape and citrus. To taste, you’ll find more tropical notes of mango, papaya and grapefruit, alongside a deeper earthy flavor profile.

Zkittlez autoflowering seeds Zkittlez autoflowering seeds
Levels 20% THC / 0.3% CBD
Variety 40% Indica / 40% Sativa
Yield 100 to 300 grams/m²
Flowering time up to 56 days
Growersprofile Beginner

9. White Widow Auto

White Widow is a classic of the Netherlands that’s equally suited to the UK. Grown for its pain-relieving effects, its high is associated with sustained relaxation. The result is a balanced strain that’s been going strong for well over two decades.

Growing

Suitable for beginners with a quick harvest time, White Widow is a dream to grow outdoors in the UK. It has a high fungal resistance to help combat the UK’s unpredictable weather. While sun and warmth are best, White Widow is a no-nonsense variety that is very forgiving to changes in temperature. It can reach heights of 170 cm outdoors and produces yields of up to 350 grams per m² in just 3 to 4 months.

Smell, taste and effect

White Widow has a classic and easily recognized flavor profile that combines sweet, sour and savory notes. To smell, you’ll find scents of mossy forest floors and fresh pine needles. To taste, it’s more floral and bittersweet, with hints of fruit.

White Widow autoflowering feminized seeds White Widow autoflowering feminized seeds
Levels 20% THC / 0.5% CBD
Variety 40% Indica / 40% Sativa
Yield 150 to 350 grams/m²
Flowering time up to 70 days
Growersprofile Beginner

10. Northern Lights Auto

Northern Lights is one of the world’s most famous strains. This Indica-dominant plant is renowned for its ease of growth and skunky taste. It produces a well-balanced high that’s noted for its euphoric and relaxing effects. As such, it’s particularly noted for its relief against symptoms of depression, pain and stress.

Growing

Northern Lights is a high-yield strain that is relatively easy to grow. It does have some sensitivity to mold, so calendar planning is essential in the UK. What’s more, its requirements for sun and warmth make the southern portion of the UK more suited for growth. In optimal conditions, you can expect heights of up to 170 cm and a life cycle of 12 or so weeks. The yields are generous, with an outdoor potential of 400 grams per m².

Smell, taste and effect

Northern Lights has a classic sweet and spicy aroma that’s not dissimilar from lemon sherbet. The taste is more typically skunky and earthy with hits of fresh fruit.

Northern Lights autoflowering feminized seeds Northern Lights autoflowering feminized seeds
Levels 20% THC / 0.2% CBD
Variety 70% Indica / 10% Sativa
Yield 175 to 400 grams/m²
Flowering time up to 63 days
Growersprofile Beginner

Autoflower seeds UK? Buy at Weedseedsexpress for next day delivery!

If you’re looking to grow in the Great British outdoors, you can’t go wrong with our autoflowering cannabis seeds. The strains mentioned here are perfect for combatting issues like sudden rainfall or variable temperatures.

While excellent for combating the UK’s unpredictable weather, you’ll still need to plant them with calendar care. Get started today with next day delivery from Weedseedsexpress via courier!