Feminized Cannabis Seeds & Marijuana Seeds

Q: Are feminized seeds always female?

Feminized cannabis seeds are bred to produce almost entirely female plants, usually around 99 percent female under normal growing conditions. Severe stress can still cause occasional hermaphrodites, so keeping a stable environment is important.

Q: Are feminized seeds good for beginners?

Yes. Feminized seeds are ideal for beginners because there is no need to spot and remove male plants. This reduces guesswork and helps ensure that most of your grow space is filled with productive female plants.

Q: Can I clone plants grown from feminized seeds?

Yes. Feminized photoperiod plants clone well and can be kept as long-term mother plants. Once you find a standout phenotype, such as a special Gelato or OG Kush, cuttings can be taken and repeated indefinitely.

Q: Are feminized seeds weaker than regular seeds?

No. Modern feminized breeding is highly stable, and well-produced feminized seeds are just as vigorous, potent and flavourful as regular seeds. The main difference is convenience, because feminized seeds produce almost all-female offspring.

Q: What is the difference between feminized and autoflower seeds?

Feminized seeds are photoperiod strains that begin flowering when their light cycle changes, typically to 12 hours of light and 12 hours of darkness indoors. Autoflower seeds begin flowering automatically with age regardless of light schedule.

Q: Is it legal to buy feminized cannabis seeds?

In the United Kingdom, ungerminated cannabis seeds can be sold and collected as adult souvenirs or for genetic preservation. Laws differ between countries, so customers should always check local regulations before purchasing or sprouting seeds.

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Autoflower Seeds, Cheap Cannabis Seeds, Classic / Old-School, Feminized Seeds
Auto Critical x AK47 (5 Auto Fem) Original price was: $24.15.Current price is: $8.05.USD
Critical x AK47

Heavy hitting and heavy yielding.

Flowers in 7-9 weeks.

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Autoflower Seeds, CBD Seeds, Feminized Seeds
Black Skull Seeds – Skull Ryder Autoflowering Feminised Cannabis Seeds Price range: $8.04 through $46.94USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds

At the beginning of the great Autoflowering adventure we tried some Lowryder seeds and were very impressed by their potential but wanted to try and improve the yields and potency. We went through a process of selecting the best performing plants and crossing them with some of the fastest finishing plants from our own genetic collection.

Auto SkullRyder Feminized Seeds is a Medium THC and Low (0-1%) CBD strain with Lowryder X Bubblebud genetics of the Feminized variety brought to you by Black Skull Seeds
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Autoflower Seeds, CBD Seeds, Feminized Seeds
Black Skull Jack-Matic Autoflowering (FEM) Price range: $8.04 through $46.94USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds

Jack-Matic is an autoflower cross of SkullRyder and Blackskull’s own fast-flowering version of the awarding winning Jack Herer. The result is a Sativa dominant auto strain for connoisseur growers who are looking for something a little special for their collection.

Auto Jack Matic Feminized Seeds is a High THC and Low (0-1%) CBD strain with SkullRyder X Jack Herer genetics of the Feminized variety brought to you by Black Skull Seeds
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Autoflower Seeds, Feminized Seeds
Black Skull Diesel-Matic Autoflowering Feminised Cannabis Seeds Price range: $8.04 through $46.94USD
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Diesel Matic is a cross of our super-fast Skull Ryder and the multiple award winner NYCD (New York City Diesel). The result is a very potent auto flowering strain which gives off an amazing fuel-type aroma and has an incredible spicy yet fruity flavour.

Auto Diesel Matic Feminized Seeds is a Medium THC and Low (0-1%) CBD strain with SkullRyder X N.Y.C.D (New York City Diesel) genetics of the Feminized variety brought to you by Black Skull Seeds
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Autoflower Seeds, Feminized Seeds
Black Skull Critical Ryder Autoflowering Feminised Cannabis Seeds Price range: $8.04 through $46.94USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds

Critical Mass is a well-known big production strain that was created by crossing big bud and skunk. We took critical mass and crossed it with Skull Ryder and refined it until it was 100% autoflowering. The resulting autoflowering strain is a strong smelling auto skunk that fills the grow room with a pungent aroma and produces taller than average plants with slender leaves and long buds.

Auto Critical Ryder Feminized Seeds is a Medium THC and Low (0-1%) CBD strain with Skull Ryder X Critical Mass genetics of the Feminized variety brought to you by Black Skull Seeds
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Autoflower Seeds, Feminized Seeds
Black Skull Seeds – Auto Speed Haze Autoflowering Feminised Cannabis Seeds Price range: $8.04 through $46.94USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds

Blackskull Speed Haze was already a very fast sativa strain but we wanted to produce a haze that could be planted outdoors and have it in flower and finished long before the Autumn. It took many generations and selections to get the speed haze 100% autoflowering but it was finally done and we are very pleased with the results.

Auto Speed Haze Feminized Seeds is a Medium THC and Low (0-1%) CBD strain with Skull Ryder X speedhaze genetics of the Feminized variety brought to you by Black Skull Seeds
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Autoflower Seeds, CBD Seeds, Feminized Seeds
Black Skull Seeds – Auto Pineapple Gum Autoflowering Feminised Cannabis Seeds Price range: $8.04 through $46.94USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds

Auto Pineapplegum is the result of crossing Skull Ryder with Pineapplegum. We were looking to increase the crystal production within our range of autos and Pineapplegum added the necessary genetic traits.

Auto Pineapple Gum Feminized Seeds is a Medium THC and High (5-10%) CBD strain with Skull Ryder X Pineapplegum genetics of the Feminized variety brought to you by Black Skull Seeds
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CBD Seeds, Feminized Seeds
Black Skull Seeds – Speed Haze Feminised Cannabis Seeds Price range: $8.04 through $46.94USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds

Speed haze does what it says on the tin in more ways than one. Its flowering period is very short for a sativa strain and the effect is speedy.

Speed Haze Feminized Seeds is a High THC and Medium (1-5%) CBD strain with Super Silver Haze x Jack Herer genetics of the Feminized variety brought to you by Black Skull Seeds
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Classic / Old-School, Feminized Seeds
Black Skull Seeds – Power Bud Feminised Cannabis Seeds Price range: $8.04 through $46.94USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds

Power bud cannabis seeds produce beautiful female cannabis plants which offer great yields in a very short amount of time.

Power Bud Feminized Seeds is a High THC and Medium (1-5%) CBD strain with Big Bud x Power Plant genetics of the Feminized variety brought to you by Black Skull Seeds
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Feminized Seeds
Black Skull Seeds – Pineapple Gum Feminised Cannabis Seeds Price range: $8.04 through $46.94USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds

Pineapple Gum is an indica dominant strain that finishes fast and has excellent yields.

Pineapple Gum Feminized Seeds is a High THC and Medium (1-5%) CBD strain with Super Bud x Power Plant genetics of the Feminized variety brought to you by Black Skull Seeds
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Feminized Seeds
Black Skull Seeds – Pepperjack Haze Feminised Cannabis Seeds Price range: $8.04 through $46.94USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds

If you are looking for a high quality sativa without the super-long flowering time then look no further than blackskull pepperjack haze.

Pepper Jack Haze Feminized Seeds is a High THC and Medium (1-5%) CBD strain with Jack Herer x Lemon Thai X blueberry genetics of the Feminized variety brought to you by Black Skull Seeds
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Classic / Old-School, Feminized Seeds
Black Skull Seeds – Jack Herer Feminised Cannabis Seeds Price range: $8.04 through $46.94USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
Jack Herer Feminized Seeds is a High THC and Medium (1-5%) CBD strain with Haze x NL#5 x Shiva Skunk genetics of the Feminized variety brought to you by Black Skull Seeds
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Feminized Seeds
Black Skull Seeds – Five-O Feminised Cannabis Seeds Price range: $8.04 through $46.94USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
If you are looking for a very fast finishing commercial strain then Blackskull seeds female 5-0 is the one for you. Finishing within 50 days with big yields it has been a top seller.
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Feminized Seeds
Zambeza Blue Spider (FEM) Price range: $8.04 through $57.67USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
Blue Spider by Zambeza is a mix of two classic strains – Blueberry and White Widow. Growers can expect a stable hybrid with a short flowering time of 55 days, and indoor yields of up to 350-450g/m². The taste is very fruity, characterized by sweet berry flavours, and also features some of the spicy aromas shared by White Widow. Blue Spider stays compact, with typical indoor heights of 80-110cm.
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Autoflower Seeds, Classic / Old-School, Feminized Seeds
Zambeza Power Plant XL Auto (FEM) Price range: $8.04 through $57.67USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
Power Plant XL Autoflowering is the result of crossing Super Silver Haze, Bubblegum and Ruderalis. The Sativa influence shows in the height of the plants but does not affect the maturing process. This autoflowering variety can grow up to 90cm in height and delivers roughly 400g/m² after 8-9 weeks after germination. Strong physical effect and optimistic, clear high.
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Feminized Seeds
Zambeza Crazy Cookies (FEM) Price range: $11.40 through $80.47USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
Crazy Cookies is an indica-dominant strain with hybrid vigour and head turning yields and an amazing 24% THC.
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Feminized Seeds
Zambeza Lemon Kush (FEM) Price range: $11.40 through $80.47USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
Lemon Kush has a very diverse genetic background. It’s a crossing of Chemdawg, Lemon Thai, and Pakistani Kush. All these strains work really well together, and give this hybrid an excellent potency, exclusive lemon flavours, and a flowering time of 55 days. Yields can be considered high, with 450-500g/m². The effect will leave you deeply, physically relaxed by still being able to focus.
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Feminized Seeds
Zambeza Choco Candy (FEM) Price range: $11.40 through $80.47USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
Choco Candy by Zambeza is a potent Haze hybrid created by crossbreeding Chocolate Haze with OG Chocolate Thai. This strain intensifies the chocolate aromas already present in both basis plants, and combines these flavours with a sweet Thai fruitiness. The flowering time is relatively short compared to other Haze hybrids. It takes 65 days to produce indoor yields of up to 450-500g/m². 21% of THC!
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Classic / Old-School, Feminized Seeds
Zambeza Amnesia Haze XL (FEM) Price range: $11.40 through $80.47USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
Multiple Cannabis Cup winner and all round best seller Amnesia Haze, is a strain of high prestige. This predominantly sativa super strain is blessed with psychedelic powers that will captivate all of your senses (and body too). Her capacity for producing exceptionally high yields make her a prize catch for growers, regardless of her 12-13 weeks flowering period.
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Autoflower Seeds, Feminized Seeds
Zambeza OG Bubble Gum Auto (FEM) Price range: $11.40 through $80.47USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
OG Bubble Gum Autoflowering will end its short life cycle in less than two months. Indoor yields of up to 350-400g/m² can be realized in 50-60 days from germination, and outdoor growers have very good chances of harvesting up to 100-175g per plant. It’s clearly an indica-dominant strain, combining the sweet berry taste of Bubble Gum with strong effects of OG Kush. THC levels were tested at 16%.
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Autoflower Seeds, Feminized Seeds
Zambeza Amnesia Haze XL Auto (FEM) Price range: $11.40 through $80.47USD
🧮 Pack Size
1 Seed 3 Seeds 5 Seeds 10 Seeds
At first sight the name Amnesia Haze XL Autoflowering could look intimidating, but don’t worry, your memory will remain intact – well, at least to a certain extent. The plants grow up to a maximum height of around 100cm yet it is possible to yield up to 400g/m². Requires 10-12 weeks from germination to harvest. The high THC level and euphoric high will convince you in no time.
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Classic / Old-School, Feminized Seeds
Zambeza Skunk (FEM) Price range: $8.72 through $67.06USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
Skunk will make you happy in more than one way. Looking at its pedigree will already put a smile on your face – Super Skunk, Acapulco Gold and Colombian Gold. She is easy to cultivate, requires little maintenance, is ready for harvesting after on 7-8 weeks and yields 500g/m².
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Classic / Old-School, Feminized Seeds
Zambeza Power Plant XL (FEM) Price range: $8.72 through $67.06USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
Power Plant XL is the sum of many parts, all originating from South Africa. The result is a heavily sativa dominant beauty that has the ability to pump out enormous yields of some insanely powerful bud. With a flowering time of 8-9 weeks, possible yields of 100g per plant, and a skyrocketing electric high, sativa lovers are sure to be thrilled with the results!
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Classic / Old-School, Feminized Seeds
Zambeza Power Kush (FEM) Price range: $8.72 through $67.06USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
Power Kush is a crossing of two outstanding cannabis strains, Critical and OG Kush. This hybrid is sativa-dominant but clearly shows growing traits of a first-class Indica. Indoor growers can expect plants being 60-80cm tall, yielding up to 475-525g/m². Power Kush can also be grown outdoors, where it is capable of producing up to 500-600g per plant. Only 50 days of flowering and 20% of THC!
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Autoflower Seeds, Classic / Old-School, Feminized Seeds
Zambeza Big Bud XXL Auto (FEM) Price range: $8.72 through $67.06USD
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1 Seed 3 Seeds 5 Seeds 10 Seeds
Big Bud XXL Autoflowering is definitely a variety of choice for inexperienced growers – it does not require much space, is easy to grow, is ready for harvesting after only 7-8 weeks after germination and delivers a decent yield of 300-400g/m² without much hassle and care. Zambeza harnessed Skunk and Ruderalis to create this dwarfed variety.

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Feminized Cannabis Seeds – Premium Female Weed Seeds

Feminized cannabis seeds take the guesswork out of growing — delivering stable, reliable, all-female plants almost every time. Perfect for beginners and experienced collectors alike, they help you maximise yields, space and efficiency while exploring elite genetics from top breeders worldwide. At StrainSupermarket®, our feminized range is hand-picked for potency, flavour, stability and overall performance.

Whether you prefer dessert-style terpenes, classic old-school lines or modern Cali-inspired hybrids, you’ll find feminized versions of favourites like Gelato, Runtz, Wedding Cake and Blueberry. Many of our feminized lines also include high-THC genetics, CBD-rich profiles and advanced breeding work for improved structure and stress resistance.

Quick Overview

Seed type: 100% feminized photoperiod strains.
Best for: Indoor tents, rooms, greenhouses and outdoor gardens.
Skill level: Suitable for beginners through to expert growers.
Main benefits: Guaranteed female plants, predictable growth, bigger yields per m².
Popular picks: Gelato, OG Kush, Runtz, Wedding Cake.

Genetics & Breeding

Feminized seeds are created by using elite female plants as both parents, with carefully controlled pollen from reversed females. This removes the need for male plants and stabilises desirable traits such as cannabinoid levels, terpene profiles and resistance to stress. The result is a collection of reliable female plants that deliver dense, resinous flowers and consistent structure from seed to harvest.

Many of our favourite lines — from old-school legends like Northern Lights to modern hitters such as Donny Burger — are offered in feminized form, making it easier to curate a seed collection built entirely around productive, high-quality females.

Aroma & Flavour

Our feminized catalogue covers every flavour lane, including:

Dessert & sweet: creamy, sugary profiles from strains like Gelato and Wedding Cake.
Fruity & tropical: berry, citrus and grape notes from classics such as Blueberry and Strawberry hybrids.
Gas & chem: loud, fuel-heavy terps from OG Kush, GMO and other chem-inspired lines.
Old-school & earthy: hashy, spicy profiles from legends like Afghani and Northern Lights.

Growing Feminized Seeds

Feminized seeds are ideal for growers who want to maximise space, time and resources. Because almost every plant is female, you can fill your canopy with productive genetics and minimise waste. They perform well in soil, coco, hydro and living-organic systems, and respond perfectly to training methods such as topping, LST and SCROG.

Near 100% female plants: Avoid unproductive males and focus entirely on flower production.
Better use of space: Every pot and every light footprint goes towards yield.
Great for training: Shape plants to suit your tent or room.
Flexible and scalable: Works for single-plant grows through to multi-light setups.

Effects & Potential Benefits

Because feminized seeds cover everything from heavy indicas to lively sativas, the potential effects are broad. Within this category you’ll find:

Uplifting & euphoric hybrids such as Runtz and other Cali-style strains.
Deeply relaxing indicas inspired by Kush, Afghani and hash-plant genetics.
Balanced hybrids that sit in the middle, ideal for any time of day.
Potent high-THC lines found in our High-THC seeds collection.
Cannabidiol-focused options in our CBD seeds section.

Similar Categories & Internal Links

If you like feminized seeds, you may also want to explore:

Autoflowering cannabis seeds – for faster, day-neutral flowering.
Regular cannabis seeds – for breeders and purists.
Fast-version seeds – quicker-finishing photoperiod hybrids.
High-THC seeds – maximum potency and resin.
CBD & balanced seeds – for more gentle, cannabinoid-rich profiles.

Quality, Storage & Stealth Shipping

All feminized seeds at StrainSupermarket® are sourced directly from trusted breeders and handled with care to support freshness and long-term viability. Orders are packed securely and discreetly, using plain external packaging with no obvious references to cannabis or seeds. Eligible orders also receive bonus free seeds, giving you extra genetics to explore with every purchase.

If you’re looking to build a reliable seed collection or plan your next grow, our feminized cannabis seeds category is a strong starting point for consistent, predictable results.

Legal Information

All cannabis seeds sold by StrainSupermarket® are offered as adult souvenirs and genetic preservation items only. Germination and cultivation of cannabis may be restricted or illegal in your region. Please check and follow your local laws before purchasing, storing or using cannabis seeds.

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Feminized Cannabis Seeds – FAQs

Are feminized seeds always female?

Feminized seeds are bred to produce almost entirely female plants, typically around 99% female under normal growing conditions. Environmental stress can still occasionally cause hermaphrodites, so it’s important to keep your grow stable and avoid major light leaks or severe stress.

Are feminized seeds good for beginners?

Yes. Feminized seeds are ideal for new growers because there’s no need to identify and remove male plants. This means less guesswork, less wasted time and a canopy full of productive females. If you’re starting out, our feminized and autoflower categories are usually the easiest to work with.

Can I clone plants grown from feminized seeds?

Absolutely. Feminized photoperiod plants clone very well, and many growers keep favourite females as long-term mother plants. Once you find a keeper — for example a standout Gelato or OG Kush phenotype — you can take cuttings and run it again and again.

Are feminized seeds weaker than regular seeds?

No. Modern feminized breeding is extremely stable, and many of today’s most popular strains are only available as feminized seeds. When produced correctly, feminized lines are just as vigorous, potent and flavourful as regular seeds — with the added convenience of almost all-female offspring.

What’s the difference between feminized and autoflower seeds?

Feminized seeds are photoperiod strains, meaning they start flowering when the light cycle changes (typically 12/12 indoors). Autoflower seeds begin flowering automatically with age, regardless of the light schedule. If you prefer traditional photoperiod control, choose feminized seeds. For speed and simplicity, explore our autoflowering seeds.

Is it legal to buy feminized cannabis seeds?

In the UK, ungerminated cannabis seeds can be sold and collected as adult souvenirs or for genetic preservation. Laws vary internationally, and some countries restrict the germination or cultivation of cannabis. Please check your local regulations before purchasing or sprouting any seeds.