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The Top 6 Classic Autoflowering Cannabis Strains
Autoflowering strains feature genetics from photoperiod cultivars combined with ruderalis genetics. They are known to be easy to grow and very fast to flower. Here are 6 of the classic autos you need to know about.
Autoflowering strains are very popular within the cannabis growing community, and are often seen as good introductory varieties due to their ease of cultivation. Unlike photoperiod strains, autoflowering strains don’t require a change in the light cycle to initiate flowering. This makes them slightly less complex to cultivate, and therefore, more appealing to beginner growers.
Most varieties are compact and small in stature, making them ideal to grow in limited amounts of space. This small size is also favoured by growers who like to keep their operations discreet.
Autoflowering strains are also extremely fast to grow, transitioning from a seed into a plant full of flowers in only a couple of months. These varieties were created by combining genetics from Cannabis ruderalis with indica and sativa strains.
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 flavour and potency.
Below is a list of the top classic autoflowering strains.
ROYAL DWARF
Royal Dwarf was created by crossing Skunk with ruderalis genetics. This strain is perfectly described by its name; its compact size and structure make it ideal for growing in miniature indoor spaces. Royal Dwarf is the strain of choice for discreet micro-growers, easily fitting within a modified cabinet or drawer. The flowers of Royal Dwarf are also dense and compact, featuring a THC content of 13%, resulting in a mellow yet pleasant high that stones the body. Each hit of Royal Dwarf is defined by flavours of sweet citrus.
Royal Dwarf is fast to grow, and will be ready to harvest around 8–9 weeks after germination has taken place. Indoor plants will rarely exceed 70cm in height, producing yields up to 200g/m². When cultivated outdoors, Royal Dwarf achieves heights of 90cm and yields up to 80g per plant.
| Royal Dwarf | |
 |
Skunk x Ruderalis |
 |
150 - 200 g/m2 |
 |
40 - 70 cm |
 |
6 - 7 weeks |
 |
THC: 13% (aprox.) / CBD: Low |
 |
60% Sativa, 10% Indica, 30% Ruderalis |
 |
30 - 80 g/per plant (dried) |
 |
50 - 90 cm |
 |
8- 9 weeks after germination |
 |
Physically stoned |
Royal Dwarf
|
Skunk x Ruderalis |
|
150 - 200 g/m2 |
|
40 - 70 cm |
|
6 - 7 weeks |
|
THC: 13% (aprox.) / CBD: Low |
|
60% Sativa, 10% Indica, 30% Ruderalis |
|
30 - 80 g/per plant (dried) |
|
50 - 90 cm |
|
8- 9 weeks after germination |
|
Physically stoned |
EASY BUD
Easy Bud is the pinnacle of beginner strains, being extremely easy to cultivate and fast to flower. It features hardy genetics that can tolerate slight neglect and varying climates. Even beginners can expect decent yields, regardless of minor errors or lack of technique. Easy Bud is the result of crossbreeding White Indica and ruderalis. She features 15% sativa genetics, 55% indica genetics, and 30% ruderalis genetics.
The flowers of Easy Bud feature a THC content of 12%, offering a high that is suitable for daytime use. The indica dominance of the strain results in a stoning physical sensation that is calming and therapeutic. Indoor plants grow to small heights of between 50–60cm, putting out yields up to 325g/m². Plants cultivated outdoors can reach heights up to 110cm and produce yields of approximately 80g per plant. Easy Bud explodes from seed to harvest in a rapid timeframe of 5–7 weeks.
| Easy Bud | |
|
White Indica x Ruderalis |
|
275 - 325 g/m2 |
|
50 - 60 cm |
|
5 - 7 weeks |
|
THC: 12% (aprox.) / CBD: Low |
|
15% Sativa, 55% Indica, 30% Ruderalis |
|
30 - 80 g/per plant (dried) |
|
60 - 110 cm |
|
8- 9 weeks after germination |
|
Physical |
Easy Bud
|
White Indica x Ruderalis |
|
275 - 325 g/m2 |
|
50 - 60 cm |
|
5 - 7 weeks |
|
THC: 12% (aprox.) / CBD: Low |
|
15% Sativa, 55% Indica, 30% Ruderalis |
|
30 - 80 g/per plant (dried) |
|
60 - 110 cm |
|
8- 9 weeks after germination |
|
Physical |
QUICK ONE
Quick One was one of the first ever autoflowering strains developed, making it one of the fastest strains in the world at the time. An impressive history indeed. Quick One gets its lightening-quick speeds from a potent indica strain bred with a ruderalis variety. It features 10% sativa genetics, 60% indica genetics, and 30% ruderalis genetics. The flowers of Quick One contain 13% THC, which produces a sedative physical high. The flavour profile is defined by hints of fruit and citrus.
Quick One reaches heights of 60cm when grown indoors, making it easy to conceal in the smallest of spaces. Indoor plants will yield up to 325g/m². Plants cultivated outdoors stretch up to 100cm in height, delivering yields of 150g per plant. The strain will be ready to harvest 9 weeks after sprouting.
| Quick One | |
|
Strong Indica x Ruderalis |
|
275 - 325 g/m2 |
|
50 - 60 cm |
|
5 - 6 weeks |
|
THC: 13% (aprox.) / CBD: Low |
|
10% Sativa, 60% Indica, 20% Ruderalis |
|
100 - 150 g/per plant (dried) |
|
60 - 100 cm |
|
8 - 9 weeks after germination |
|
Physical |
Quick One
|
Strong Indica x Ruderalis |
|
275 - 325 g/m2 |
|
50 - 60 cm |
|
5 - 6 weeks |
|
THC: 13% (aprox.) / CBD: Low |
|
10% Sativa, 60% Indica, 30% Ruderalis |
|
100 - 150 g/per plant (dried) |
|
60 - 100 cm |
|
8 - 9 weeks after germination |
|
Physical |
DIESEL AUTOMATIC
Diesel Automatic is loaded with flavour and slightly more potent when compared to other autoflowering strains. She is the lovechild of Diesel and ruderalis, with flowers containing a THC content of 14%. This results in a sativa-dominant high that is clear, energising, and cerebral. Tastes and scents of citrus and fruit complement the buzzy high well. The effects are obvious but not overwhelming, making Diesel Automatic a great smoke during the daytime when getting work done or pursuing creative projects.
Diesel Automatic is a hardy plant that can tolerate cold temperatures well, making it a great first strain for beginner growers. She grows up to only 70cm indoors and puts out yields of 375g/m². Outdoor plants achieve heights of 110cm and yields of 110g per plant. Buds will be ready for picking around 8–9 weeks after seeds have sprouted.
| Diesel Automatic | |
|
Diesel x Ruderalis |
|
325 - 375 g/m2 |
|
40 - 70 cm |
|
7 - 8 weeks |
|
THC: 14% (aprox.) / CBD: Low |
|
40% Sativa, 30% Indica, 30% Ruderalis |
|
60 - 110 g/per plant (dried) |
|
60 - 110 cm |
|
8 - 9 weeks after germination |
|
A clean and clear high without euphoria |
Diesel Automatic
|
Diesel x Ruderalis |
|
325 - 375 g/m2 |
|
40 - 70 cm |
|
7 - 8 weeks |
|
THC: 14% (aprox.) / CBD: Low |
|
40% Sativa, 30% Indica, 30% Ruderalis |
|
60 - 110 g/per plant (dried) |
|
60 - 110 cm |
|
8 -9 weeks after germination |
|
A clean and clear high without euphoria |
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 flavour 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 Automatic | |
|
Amnesia x Ruderalis |
|
350 - 400 g/m2 |
|
50 - 100 cm |
|
8 - 10 weeks |
|
THC: 18% (aprox.) / CBD: Low |
|
50% Sativa, 20% Indica, 30% Ruderalis |
|
130 - 180 g/per plant (dried) |
|
100 - 120 cm |
|
10-12 weeks after planting |
|
Cerebral and uplifting |
Amnesia Haze Automatic
|
Amnesia x Ruderalis |
|
350 - 400 g/m2 |
|
50 - 100 cm |
|
5 - 7 weeks |
|
THC: 20% (aprox.) / CBD: Low |
|
50% Sativa, 20% Indica, 30% Ruderalis |
|
130 - 180 g/per plant (dried) |
|
100 - 120 cm |
|
10 - 12 weeks after germination |
|
Cerebral and uplifting |
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 flavour 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 Automatic | |
|
White Widow x Ruderalis |
|
400 - 450 g/m2 |
|
40 - 80 cm |
|
7 - 8 weeks |
|
THC: 14% (aprox.) / CBD: Low |
|
40% Sativa, 40% Indica, 20% Ruderalis |
|
190 - 240 g/per plant (dried) |
|
50 - 110 cm |
|
10 - 12 weeks after germination |
|
Physically stoned |
White Widow Automatic
|
White Widow x Ruderalis |
|
400 - 450 g/m2 |
|
40 - 80 cm |
|
7 - 8 weeks |
|
THC: 14% (aprox.) / CBD: Low |
|
40% Sativa, 40% Indica, 20% Ruderalis |
|
190 - 240 g/per plant (dried) |
|
50 - 110 cm |
|
10 - 12 weeks after germination |
|
Physically stoned |
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