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Top Classic Autoflowering Strains of 2024
Just because you don't have years of cannabis cultivation experience doesn't mean you can't grow classic genetics at home! Discover our top classic autoflowering strains of 2024 to see which iconic genetics belong in your garden this growing season and beyond.
Modern autoflowering strains far exceed their ancestors on all accounts. Once viewed as unproductive and weak, modern varieties boast rewarding yields, excellent THC levels, and flavorful terpenes. The following strains represent the most sought-after classic autoflowering strains within the Royal Queen Seeds archive during 2024.
Although a rough year in many ways, growers all over the world used these varieties to procure a personal stash and were amazed at the results. These strains boast powerful highs, tasty terpene profiles, and timeless genetics that have reigned supreme for decades.
Check out the best classic autoflowering strains of 2024 below!
Cannabis ruderalis
Ruderalis is a subspecies that evolved in northern regions of the world with short summers that feature long days. It adapted to such unique conditions by flowering independently of light cycle dictation.
Ruderalis plants themselves are short, weed-like, and low in desired cannabinoids. However, the genetics from these plants, when crossed with select photoperiod strains, results in hard-hitting varieties that are both easy to grow and loaded with flavor and potency.
1. Northern Light Automatic
Set to be one of the most popular autos of 2024, thousands of growers added this classic variety to their seed collection in 2024.
Northern Light Automatic brings the magic of the world-renowned original to the autoflowering world. As one of the most classic strains in existence, Northern Light boasts an almost pure indica genetic profile, an intense body high, and delicious terpenes. By crossing the strain with a high-performing ruderalis variety, we packed all of these traits into a speedy and small autoflowering cultivar.
Northern Light Automatic boasts a THC level of 14% alongside 80% indica genetics. Although she won’t send your mind into orbit, she offers a completely chilled out high with little chance of becoming overwhelmed. Indoor plants grow to 80–120cm and produce an impressive 500–550g/m². Outdoor plants reach a taller height of 160cm and pump out up to 220g/plant of blue-green buds.
Northern Light Auto
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Northern Light x Ruderalis |
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18 to 19 oz/m² |
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3 to 4 feet |
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6 - 8 weeks |
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THC: 14% |
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Sativa 0% Indica 80% Ruderalis 20% |
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6 to 8 oz/plant |
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4 to 5 feet |
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10 - 12 weeks after sprouting |
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Clear, Uplifting |
2. Royal Haze Automatic
Grow tents all over Europe filled up with this classic autoflowering strain in 2024. After experiencing her large yields and peaceful high, many cultivators intend to grow this variety again in 2024.
If you’re a fan of classic sativas, you’ll fall in love with this energising lady. Descending from Amnesia Haze and Skunk, two much-loved sativas known for their motivating and happy highs, Royal Haze Automatic possesses the same effect, alongside some unique tweaks of her own. She produces a THC level of 15% alongside medium levels of CBD, a combination that results in an uplifting and comforting high.
Indoor plants remain small and stealthy throughout the growing cycle, rarely exceeding 85cm. Expect an excellent yield of 300–350g/m². We recommend using the ScrOG technique for optimal output. If you’re growing outdoors, expect a superb yield of 130–180g/plant around 12–13 weeks after germination.
Royal Haze Auto
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Amnesia Haze x Skunk x Ruderalis |
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10 to 12 oz/m² |
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2 to 3 feet |
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8 - 9 weeks |
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THC: 15% |
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Sativa 50% Indica 20% Ruderalis 30% |
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4 to 6 oz/plant |
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4 to 5 feet |
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12 - 13 after sprouting |
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Clear, Uplifting |
3. Royal AK Automatic
In 2024, growers turned to this legendary variety to guarantee potent flowers and rapid yields. After surging in popularity last year, she’s destined for greatness in 2024.
Although named after a weapon of war, AK-47 spreads nothing but peaceful vibes and good times. We took this sativa-dominant classic and crossed her with ruderalis genetics to make her much more accessible to beginner growers and auto lovers. Royal AK Automatic emerged with a slightly indica-dominant genetic profile, a THC content of 15%, and delicious tastes of earth and pepper. Brace yourself for a high filled with giggles and flowing conversation.
Royal AK Automatic is comfortable growing just about anywhere, and does particularly well in slightly colder climates. Indoor plants remain small and easy to manage at 60–70cm. Prepare your stash jars for a harvest of up to 350g/m² only 11–12 weeks after germination. Growing outdoors? Your plants will reach 100cm and produce 110–160g/plant.
Royal AK Auto
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AK 47 x Ruderalis |
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10 to 12 oz/m² |
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2 feet |
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6 - 8 weeks |
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THC: 15% |
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Sativa 35% Indica 40% Ruderalis 25% |
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4 to 5 oz/plant |
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2 to 3 feet |
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11 - 12 weeks after sprouting |
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Laughter, Motivating |
4. Royal Cheese Automatic
Many cannabis lovers turned to old-school Cheese genetics to ease their minds during the lockdowns of 2024. Experience the soothing nature of Royal Cheese Automatic to keep your head strong during 2024.
The original Cheese emerged from the underground breeding scene in the United Kingdom during the 1980s. The strain quickly took off all around the world, fueled by a deeply stoning high and plentiful trichomes. We merged this legend with Royal Critical and Cannabis ruderalis to decrease the growing time and make her suitable for the stealthiest of operations. Royal Cheese Automatic produces a physical high that makes music sound amazing and food taste perfect.
Enjoy growing this classic strain anywhere you please. She’ll handle tough conditions, but will provide the best outcomes in the mild climates provided by greenhouses and polytunnels. Expect indoor plants to produce a rewarding 425–475g/m² indoors 11–12 weeks after germination. Outdoor plants grow to 120cm and produce a great personal stash of 160–210g/plant.
Royal Cheese Auto
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Cheese x Royal Critical x Ruderalis |
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15 to 17 oz/m² |
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2 to 3 feet |
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7 - 8 weeks |
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THC: 15% |
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Sativa 30% Indica 50% Ruderalis 20% |
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5 to 7 oz/plant |
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2 to 4 feet |
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11 - 12 weeks after sprouting |
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Physically Relaxing, Stoned |
5. Amnesia Haze Automatic
Amnesia Haze Automatic is the end result of a long breeding project. She derives from Amnesia and ruderalis, two strains combined to create an Amnesia that flowers much faster than the photoperiod variety. Amnesia Haze Automatic is potent for an auto, offering around 18% THC. Her flavor profile blends earthiness with tangy citrus.
Amnesia Haze Automatic explodes from seed to harvest in as little as 8 weeks—ideal for impatient growers or those looking for a rapid turnaround. She really is a businessman’s strain when it comes to speed of production. Indoor plants achieve heights of 100cm and impressive yields of 400g/m². Outdoor plants grow slightly taller to heights of 120cm, and put out 180g/plant. She has a preference for mild climates.
Amnesia Haze Auto
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Amnesia x Ruderalis |
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12 to 14 oz/m² |
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2 to 3 feet |
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7 - 8 weeks |
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THC: 18% |
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Sativa 50% Indica 20% Ruderalis 30% |
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4 to 6 oz/plant |
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3 to 4 feet |
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11 - 12 weeks after sprouting |
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Clear, Uplifting |
6. White Widow Automatic
White Widow Automatic brings the legendary genetics of White Widow into the autoflowering world, offering faster and easier growth. Along with ruderalis genetics, she is comprised of equal amounts sativa and indica. Despite this, the high she offers is very physically stoning and relaxing. The THC content within the flowers clocks in at 14%. She certainly is a strain for the cannabis connoisseurs out there who appreciate more than just the high, offering a complex flavor profile consisting of woody, pungent, and earthy tones.
White Widow Automatic also contains medium levels of CBD, making her appealing to users seeking the medicinal and relaxing cannabinoid. Indoor plants reach heights of 80cm and put out fantastic yields of up to 450g/m². Outdoor plants achieve heights of 110cm and are capable of producing yields up to 240g per plant. White Widow Automatic will be ready to harvest approximately 10–12 weeks after sprouting.
White Widow Auto
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White Widow x ruderalis |
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14 to 16 oz/m² |
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1 to 3 feet |
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7 - 8 weeks |
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THC: 14% |
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Sativa 40% Indica 40% Ruderalis 20% |
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7 to 8 oz/plant |
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2 to 4 feet |
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10 - 12 weeks after sprouting |
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Physically Relaxing, Stoned |
