Cannabis cultivators look for specific traits when selecting a strain. Some search for flavour and potency above all else, whereas others are more concerned with speed. Luckily for both the former and latter camps, the breeders at Royal Queen Seeds have dedicated a lot of time to developing top-quality strains that are quick off the mark and rapid to deliver their goods.

Our team has created both fast-flowering feminized genetics and autoflowering genetics to satisfy all types of growers. The former offers all the benefits of photoperiod strains, but with a reduced flowering time.

Our autoflowering varieties, on the other hand, are the fastest in our archive. Infused with Cannabis ruderalis genetics, these cultivars don’t require external cues to flower. Instead, they surge from seed to harvest in a matter of weeks, making them perfect for stealthy home growers.

Let's explore the fastest RQS cannabis seeds by category. Though the following timeframes are approximations, they are accurate.

Autoflowering

Autoflowering seeds can be both sativa and indica. However, they have been crossed with a type of cannabis called ruderalis. This enables them to flower on their own in as little as 2-4 weeks without exposing them to strict 12 hour light regimes.

Some of our most popular strains in this category include:

  • Quick One

Quick One is one of the fastest auto-growing strains on the planet. The plant is based on the original auto flowering strain – Lowryder. This strain was created from a cross between William's Wonder x Northern Lights x Ruderalis. These plants are usually ready for harvest in 8 weeks from germination. The plants also reach between 50 and 60 cm and can yield up to 150g per 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

  • Easy Bud

Easy Bud received her name for good reason. As well as being one of the easiest cannabis strains to grow, she also boasts one of the fastest growing cycles. Her speedy and robust nature makes her ideal for those seeking a fast turnover, and those ready to take their first step into the world of growing weed.

As the progeny of White Indica and ruderalis, Easy Bud produces frosty flowers featuring a THC content of 12% alongside citrusy and earthy terpenes. These buds won’t blast you to the moon, but they will offer a soothing and subtle effect perfect for any time of day.

After germinating these seeds, Easy Bud will explode into a mature plant in as little as eight weeks. Prepare to harvest up to 325g/m² from indoor plants, and between 30–80g/plant from outdoor specimens.

Easy Bud

Easy Bud
White Indica x Ruderalis
275 - 325 gr/m2
50 - 60 cm
5 - 7 weeks
THC: 12%
Sativa 15% Indica 55% Ruderalis 30%
30 - 80 gr/plant
60 - 110 cm
9 - 10 weeks after sprouting
Physically Relaxing

Buy Easy Bud

  • Watermelon Automatic

You’ve never seen flowers like these before. Seriously. Alongside her fruity terpenes and high THC content, Watermelon Automatic boasts stunning shades of deep purple, bright orange, and dark green. You won’t have to wait long to experience their beauty. The strain develops a canopy loaded with flowers only 8–9 weeks after germination.

This hard-hitting auto offers a hearty THC level of 20%, with a high that sends a wave of relaxation crashing over the body. Her terpene profile adds an extra layer of chill to the experience, along with tastes of succulent watermelon. Expect to harvest up to 500g/m² indoors and 50–90g/plant from outdoor plants.

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

Feminized Fast Growing Strains

Feminized cannabis seeds are designed to produce only female plants. Feminized seeds will produce a female plant 99.99% of the time. Don’t waste your time trying to produce flower from a male plant - they will only pollinate you females, resulting in seeds rather than bud.

Fast Flowering strains are hybrids of these and autoflowering strains. They are genetically coded to produce flowers quickly with little care, but still rely on a change in photoperiod to flower.

Some of our most popular selections in this category include:

  • Candy Kush Express

As well as offering a rapid flowering time, Candy Kush Express is a rich source of terpenes, emanating notes of sugary sweet citrus. Her speed of growth and incredible taste make her a great strain for cannabis chefs who want a crop that yields well on a regular basis. This strain features a close balance of 60% indica genetics and 40% sativa, which exerts an effect that relieves tension from the body while keeping the mind alert and functional.

Candy Kush Express is a speedy photoperiod variety that features a flowering time of only 7–9 weeks. Plants grown indoors under good-quality lights will yield up to 525g/m². Those grown outdoors are capable of yielding between 450–500g/plant.

Candy Kush Express

Candy Kush Express (Fast Flowering)
Sweet Special x O.G. Kush
475 - 525 gr/m2
60 - 100 cm
7 - 9 weeks
THC: 18%
Sativa 40% Indica 60%
450 - 500 gr/plant
100 - 170 cm
Early September
Physically Relaxing, Stoned

Buy Candy Kush Express (Fast Flowering)

  • Royal Cheese

This plant of British origin draws its heritage from the top-rated skunk developed on the isle. Since then, the Cheese genetic has spread globally and even won a Cannabis Cup. The plant will grow to about 1.5 meters indoors. It is highly odiferous, however. So much so that a carbon filter is definitely required. Royal Cheese can be harvested after 6-8 weeks and yields up to 550 grams per square meter. The smoke from the cured bud is strong and aromatic. However, it is the strength of the strain that keeps coming back.

Royal Cheese

Royal Cheese (Fast Flowering)
Old School Skunk x Afghani
450 - 500 gr/m2
60 - 100 cm
7 - 8 weeks
THC: 17%
Sativa 40% Indica 60%
550 - 600 gr/plant
130 - 200 cm
Early October
Balanced, Clear, Stoned

Buy Royal Cheese (Fast Flowering)

  • Speedy Chile

Speedy Chile was bred especially for those who want yields in the fastest time possible from a photoperiod strain. This indica delivers on taste and relaxation. It is a cross between Early Skunk x Chile Indica. As a result, it is a medical marijuana fave. These fast life cycle plants are also some of the fastest growing available commercially. They are also ideal for beginners, who will appreciate that Speedy Chile takes little care but delivers flower that tests at 16% THC.

Speedy Chile

Speedy Chile (Fast Flowering)
Early Skunk x Skunk x Chile Indica
475 - 525 gr/m2
60 - 100 cm
7 - 8 weeks
THC: 16%
Sativa 30% Indica 70%
450 - 500 gr/plant
100 - 170 cm
Early September
Calming, Laughter

Buy Speedy Chile (Fast Flowering)

CBD Strains

The RQS archive offers an array of CBD-rich varieties. Some of these strains feature extraordinarily high levels of cannabidiol alongside trace levels of THC, whereas others feature a close balance of both cannabinoids.

Our feminized CBD strains offer a 99.9% chance of producing flower-bearing females—greatly improving one’s access to high-quality CBD. Our breeding team has also developed autoflowering CBD strains that offer high levels of the soothing cannabinoid in a fraction of the time.

  • Royal CBDV Automatic

This exciting variety offers high levels of cannabidivarin, or CBDV. This rare cannabinoid activates some of the same pathways as CBD, and produces unique effects of its own. Thanks to our expert team of breeders, we’ve created one of only a few strains to produce high levels of this cannabinoid.

Royal CBDV Automatic also contains 5% CBD and a negligible THC quantity of 0.3%. Overall, she relaxes the mind and soothes the body, without any intoxicating effects. Enjoy these earthy, pine-scented flowers all day long for a clear-headed and motivating effect.

Indoor plants grow to a maximum height of 80cm and produce up to 450g/m². Outdoors, expect to harvest up to 150g/plant 8–9 weeks after germination.

Royal CBDV Automatic
Solomatic x Durban Poison
375 - 450 gr/m2
60 - 80 cm
5 - 6 Weeks
THC: 0,3%
Sativa 75%, Indica 20%, Ruderalis 5%
110 - 150 gr/plant
80 - 100 cm
8 - 9 weeks after sprouting
Clear, Physically Relaxing

Buy Royal CBDV Automatic

  • Tatanka Pure CBD

Tatanka Pure CBD churns out dense, dark green buds that possess high levels of cannabidiol and negligible levels of THC (never exceeding 0.25%). These flowers encourage a clear-headed and lucid state without inducing psychoactive side effects or compromising productivity.

Our breeders created this cultivar by crossing Elixir Vitae with Medical CBD. After a few generations of stabilising her genetics and tweaking her traits, she emerged as a reliable strain suitable for smoking at any time of day. Her flavours of sweetness and spice tantalise the taste buds with every hit.

When it comes to efficiency, Tatanka Pure CBD scores top marks. Indoor plants produce up to 450g/m² after a brief flowering time of 6–8 weeks, without exceeding 100cm in height. Outdoor plants, grown in containers or garden beds, reach a taller height of 160cm and produce approximately 425g/plant.

Tatanka Pure CBD

Tatanka Pure CBD
Elixir Vitae x Medical CBD
400 - 450 gr/m2
80 - 100 cm
6 - 8 weeks
THC: 0,15 - 0,25%
Sativa 30% Indica 70%
400 - 450 gr/plant
100 - 160 cm
Early October
Calming, Clear

Buy Tatanka Pure CBD

  • Purplematic CBD

As well as providing a good personal stash in no time at all, Purplematic CBD puts on a lovely visual show. Her buds feature a deep purple crown perched atop a mountain of white and green. Pulling these buds out during the smoking session will surprise your friends and help to curb any excess THC consumption.

These flowers produce a massive CBD content of 17%, alongside THC levels of around 0.5%. The progeny of Kush Rose Auto CBD and Afghan Rose Auto CBD, Purplematic CBD features the best aspect of each parent. Her cannabidiol-loaded flowers also offer mouthwatering terpenes that unleash flavours of sweet tropical fruit.

Purplematic CBD offers an easy and pleasant growing experience. Expect to harvest up to 450g/m² indoors just eight weeks after germination. Outdoor plants perform well in slightly warmer climates and produce yields of 110–150g/plant.

Purplematic CBD

Purplematic CBD
Kush Rose Auto CBD x Afghan Rose Auto CBD
375 - 450 gr/m2
70 - 120 cm
7 - 8 weeks
THC: 0,5%
Sativa 5% Indica 90% Ruderalis 5%
110 - 150 gr/plant
100 - 140 cm
8 - 9 weeks after sprouting
Calming, Clear

Buy Purplematic CBD

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