Breeders

All Our Cannabis Seeds

When deciding to buy cannabis seeds, choosing the best source is the most important decision a grower makes. While good growing conditions are important, the genetic makeup contained within the seed is the determining factor behind a plant reaching its full potential, whether indoor or outdoor. The genes contained in selectively bred cannabis seeds are the key to a successful crop. Montreal Cannabis Seeds maintains an extensive and unique collection of cannabis types, making the very best seeds, whether regular, feminized or auto-flowering, available for purchase.

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Mix cbd cannabis seeds
CBD Mix Cannabis Seeds Feminized Autoflower (Royal Queen Seeds)

CBD Mix Cannabis Seeds Feminized

A selection of the best Medical cannabis strains from Royal Queen Seeds.

Each pack of 3 contains: 1 x Royal Highness, 1 x Dance World, 1 x Medical Mass

Each pack of 5 contains: 1 x Royal Highness, 1 x Royal Medic, 1 x Dance World, 1 x Medical Mass, 1 x Painkiller XL

For more information, take a look at the page for each variety.

5 Seeds Per Pack
Out of Stock
$55.00
CBD Painkiller XL Cannabis Seeds Feminized (Royal Queen Seeds)

CBD Painkiller XL Cannabis Seeds Feminized

Case in point: Painkiller XL . This new strain combines two well-received parents, Juanita la Lagrimosa (Spanish for "Juanita the Tearful") and Royal Highness, which are themselves genetic hybrids of other precursor strains: Juanita the Tearful from Queen Mother and a Mexican-Afghan blend; Royal Highness from Dance Hall and Respect 13. On and on the strains date back in agricultural time, each new variety with its own unique smell, taste, color, high and medical benefit. However, in the past decade, a goal of all this tinkering has been what some producers are starting to call “Royal Respect” with the soul of marijuana's benefits going toward both body and mind.

Painkiller XL is notable for its near-equal representation of 9 percent tetrahydrocannabinol (THC) and 9 percent cannabidiol (CBD), achieved by a seed that's 75 percent sativa and 25 percent indica. While the sativa variety of cannabis is widely known for producing more of a mental, cerebral high, and indica has a reputation for contributing more toward its physical high, other factors are more important to consider: THC is the compound given most of the credit for that head high, with CBD takes the credit for marijuana's many proven medicinal benefits, which range vastly from relieving pain, anxiety, migraines, fibromyalgia and even mad cow disease to easing many of the most deleterious symptoms of AIDS, diabetes, epilepsy and Parkinson's disease. These are just a handful of the dozens of ailments marijuana is being prescribed to combat by doctors across the globe and in more than a dozen U.S. states. Cooperatives at medical marijuana dispensaries have been at the forefront of providing CBD-rich cannabis buds and oils for their patients, who undoubtedly appreciate being able to purchase the strain best-suited to ease their particular ailments.

This new strain joins others rich in both CBD and THC like Euphoria, Royal Medic, Medical Mass and Danceworld that seek to actually not necessarily downplay cannabis' psychoactive effects in favor of optimizing its healing role, but instead equalize the two. According to the California-based Steep Hill Cannabis Analysis Laboratory, this equalization brings to the cannabis user not just the physically healing aspects, but also the spiritually and psychologically healing benefits as well. There are other strains with very little THC and more CBD than Painkiller XL , but rare are such splendid balances. Producers of this strain say it produces a considerable amount of pain relief, with a mild, relieving mental euphoria.

With a flowering time of eight weeks, the Painkiller XL seed can produce 500 to 550 grams per plant indoors. Inside, the dried yield is 500 to 550 grams per plant. Inside, the plants average in height at about 31.5 inche (80 cm); outside, the average height is about 53 inches (135 cm), with harvest time at the end of September.

CBD Painkiller XL  Info

  • Genetics:  Royal Highness X Juanita La Lagrimosa
  • Sativa/Indica: Sativa CBD
  • Yield: 500-550 g.
  • THC/CBD: THC: 9% CBD:  High
  • Flowering Period/Finishing: 8 weeks/late September
5 Seeds Per Pack
Add to Cart
$60.00
CBD Rene Cannabis Seeds Feminized (House of Great Gardener )

CBD Rene Cannabis Seeds Feminized


CBD René is an award winning combination of flavor and high CBD. René’s legendary berry smell, licorice flavour and perfect popcorn buds shine through, while the Cannatonic in her delivers potent CBD at 1:1 THC to CBD ratio. To top it off, she produces quality, full-melt resin. Our first CBD rich strain and we’re proud of her.

CBD Rene Info

  • Genetics - Shishkaberry X Afghani
  • Variety – Sativa/Indica
  • Seed – 6 Feminized
  • Flowering time – 7 weeks
6 Seeds Per Pack
Add to Cart
$70.00
CBD Royal Medic cannabis
CBD Royal Medic Cannabis Seeds Feminized (Royal Queen Seeds)

CBD Royal Medic Cannabis Seeds Feminized

Key Features: A large variety that will have a fruity, hash-like aftertaste.

Royal Medic is a new feminized hybrid of two great cannabis strains from Spain. Its genetics are a cross of Critical, known for its big yields, and Juanita la Lagrimosa, a strain known for its medicinal effects.

The result is a great medicinal strain, with a high amount of CBD, almost equal to the amount of THC. These high CBD strains are not as psychoactive as some of the higher THC strains, which can be better for medical users. The effect is very cerebral with a clear high. These types of strains have been used for their anti-inflammatory, anti-pain, anti-anxiety and/or anti-spasm effects.

Royal Medic gets most of its genetics from the Juanita la Lagrimosa strain. This not only gives it a great medicinal effect but also a fruity, hazy aroma. The smoke is full-flavoured, with a fruity, hash-like aftertaste. It is still quite a large plant and will grow to a height of around 120 to 150 cm.

Its Critical genetics have given it a more Indica structure and better yield. Royal Medic will yield around 475-525 grams per plant with a flowering time of 9 weeks. Royal Medic keeps the great medicinal effect of the Juanita la Lagrimosa with the added higher yield of the Critical.

CBD Royal Medic Info

  • Genetics: Critical X Juanita La Lagrimosa
  • Sativa/Indica:  Sativa CBD
  • Yield: Indoors: 425-475 g./m2  Outdoors: 475-525 g./plant
  • THC/CBD: THC: 10% CBD:  High
  • Flowering Period/Finishing: 9 weeks/early October
5 Seeds Per Pack
Add to Cart
$44.00
CBD White Widow Cannabis Seeds Feminized (Montreal Cannabis Seeds)

CBD White Widow Cannabis Seeds Feminized

CBD White Widow is quite a short cannabis plant that grows mostly like an Sativa, but it is more Indica in effect and is also great to relieve pain and anxiety.

An uplifting marijuana strain with great medicinal potential. CBD White Widow is great medicinal strain.

CBD White Widow is quite a short cannabis plant that reaching a height of 60 to 90 cm. It will flower in around 8 weeks.

Like all of our medicinal cannabis strains, it has a high amount of CBD, almost equal to the amount of THC.
These high CBD cannabis strains have been used for their anti-inflammatory, anti-pain, anti-anxiety and/or anti-spasm effects.

The marijuana seeds are also feminized, meaning you’ll have no male plants to deal with. So, when grown well, every plant should turn into a beautiful flowering female.

CBD White Widow World: Info

  • Effect:                  Relaxed High
  • Sativa/Indica:      Indica
  • Yield: Indoors:    475-525 g./m2 Outdoors: 400-450 g./plant
  • THC/CBD:          THC: 12% CBD: High
  • Flowering Period/Finishing:      8 weeks/early October
5 Seeds Per Pack
Add to Cart
$42.00
Channel Cannabis Seeds Feminized (Montreal Cannabis Seeds)

Channel Cannabis Seeds Feminized

This Indica / Sativa strain produces a High Indoors: 600gr/m2 and Outdoors: up to 1kg p/plant yield. Enormous aroma and amazing bouquet, perfect for SCROG cultivation. It grows up like a Sativa, thin and without many leaves. When flowering it grows taller but keeps a compact shape, as an Indica. Very fast {45 to 50 days}, and suitable for all kind of growers and growing systems. Brilliant as a mother due to the fast-rooting clones it produces. Extraordinary mental effect and also a very pleasant physical one, since its high THC and CBD percentage.

Cannabis Cup's
 1 Prize extraction Nafarroa Bai
 1 Prize indoor Ibiza Cup
 1 Prize Balear extraction
 3 Prize indoor  Djamba Cup
 1 Prize extraction Spannabiscup

Channel  INFO

  • Type:                      Indoor / Outdoor
  • Growing:                Easy to Moderate
  • Flowering Time:     45 - 55 days
  • Indica/Sativa:         50% Sativa/ 50% Indica
  • Effect:                     Relaxed High
  • THC%:                   20.%    
  • ​Yield:                     Indoors: 600gr/m2 and Outdoors: up to 1kg p/plant  Late September
5 Seeds Per Pack
Add to Cart
$44.00
Cheese Cannabis Seeds
Cheese Cannabis Seeds Feminized (Montreal Cannabis Seeds)

Cheese Cannabis Seeds Feminized

By collaborating with other breeders, we have developed a very desirable knack of creating knock-out strains. This Cheese was derived by backcrossing the Cheese clone from their incredible Cheesewreck strain until they had a stable, cheesy variety. When cultivated in a legal climate, our Cheese produces good yields. The plants need full support as the side branches grow to the height of the main stem. This is a vigorous strain that packs a serious punch. Ore Cheese's potency is matched perhaps only by it's incredible strength of flavour - simply superb. This is a real connoisseur strain that deserves a place in any souvenir hunter's collection.

Cheese INFO​

  • Type:                       Indoor/ out 
  • Growing:                  Easy
  • Flowering Time:       8 to 9 Weeks 
  • Indica/Sativa:           Mostly Sativa
  • Effect:                      High (Head Trip) 
  • THC%:                     19% - 22%
  • Yield:                       400 in 500 gr out
3 Seeds Per Pack
Out of Stock
$28.50
Cheesy Cannabis Seeds Autoflower Feminized
Cheesy Cannabis Seeds Autoflower (PHILOSOPHER)

Cheesy Cannabis Seeds Autoflower Feminized

Cheesy Auto has been created to satisfy all those growers seduced by classical marijuana strains and decided to grow autoflowering cannabis. After several generations of work, a high quality ruderalis hybrid has been obtained.

Cheesy auto produces easy to grow hybrids, robust, compact and with good lateral branching. Its leafs have a distinctive dark green colour, showing an exuberant layer of resin during the flowering stage.

Using a single pot for the entire life cycle of the plant is recommended, from seedling to harvest, a process that may take from 65 to 85 days.

In outdoor crops, Chessy Auto don’t usually exceed 1 meter in height, which helps camouflage these plants. It is certainly a perfect strain for off-season growing, also suitable for ecuatorial areas where natural photoperiod is close to 12 hours of light per day.

In Indoor crops, Cheesy Auto will show its full potential under a light cycle of 20 hours of light / 4 hours of complete darkness per day during its whole life cylce. If you have a small space, you can reduce the hours of light per day to 12; this way, the growth of your plants will be less vigorous.

Cheesy Auto has been developed with the intention of preserving the peculiar smell of the legendary U.K. Exodus Cheese strain. Its taste is very special, a subtle mix of strong cheese and a particular sweetness that reminds of blackberries and blueberries.

The effect is very balanced, producing a pleasant state of physical relaxation and a creative high, perfect for those moments where you need some inspiration. Cheesy Auto will be, with no doubt, a good companion for those creative moments.
Awards:  ExpoGrow Irun Cup 2015  1st prize Auto category

Cheesy INFO

  • Genetics: U.K. Exodus Cheese x Lowryder (ruderalis hybrid)
  • Indoor Harvest: 65-85 days from germination
  • Outdoor Harvest: 65-85 days from germination
  • Indoor Yield: 400-450 gr/m2
  • Outdoor Yield: 100-125 grams/plant

 

5 Seeds Per Pack
Out of Stock
$48.00
CHEMDOG MILLIONAIRE
Chemdog Millionaire Cannabis Seeds Feminized (Next Generation Seeds)

Chemdog Millionaire Cannabis Seeds Feminized

Top yield, top resin! Its an Indica dominant superstar! Long club-like buds on top and dense golfball size nuggets below.
Flowering Time:
Indoor: 55 days
Outdoor: October 5
THC: 22%
CBD: 0.9%

5 Seeds Per Pack
Add to Cart
$40.00
Chemo
Chemo Cannabis Seeds Regular (Jordan of the Islands)

Chemo Cannabis Seeds Regular

Jordan of the Islands Chemo is a short squat dark green marijuana plant. This legendary cannabis strain doesn’t have much of a stink, which is great for people who have problems hiding marijuana smells. Chemo is a powerful pain reliever, couch-locking, sedate, basically it is one of the strongest marijuana strains available. Our marijuana seeds are moderately to above average yielding and have the fastest flowering time. Chemo finishes flowering in 49 - 55 days. Another advantage for medicinal marijuana growers.

Chemo INFO

Sex Regular
Variety Indica / Sativa
Flowering Type Photoperiod
THC Content Unknown
CBD Content Low (0-1%)
Yield High
Plant Height Medium
Grows Greenhouse, Grows Indoors, Grows Outside
Flowering Time 49 - 55 days
PACK SIZE 6 Seeds
Add to Cart
$34.00
Chocolate Haze cannabis
Chocolate Haze Cannabis Seeds Feminized (Royal Queen Seeds)

Chocolate Haze  Cannabis Seeds Feminized

Key Features:  Quick and easy to grow, especially for a haze variety.  

This tasty genetic miracle is bred to grow strong and harvest early. Growers will delight in the ease and speed of production. The basis of this strain is an OG Chocolate Thai plant carefully bred with all-star Cannalope Haze. These hybrid specimens have a low resistance to mold so take care in their initial development. They are guaranteed to be feminized to ensure production.

A strain best smoked in the afternoon, a wandering mind will find a clear high with intellectual results when enjoying its flowers. Buying chocolope seeds will bring you a large harvest and a strong result. An energetic feeling of euphoria lasts for 1-2 hours then leaves the user feeling aware and alert to their surroundings. Questions and inspiration may follow when used alone. Haze strains are commonly referred to as the strongest weed”

A medicinal strain targeted at sufferers of chronic depression, Chocolate Haze will uplift and brighten as well as aid in a variety of medical ailments. Arthritis, ADD/ADHD, joint pain, stress and migraines are all greatly reduced with regular use of this strain.

The plant has genetics roots in Thailand and produces flowers quickly. Chocolate Haze seeds will thrive when grown in hydro and in soil, but keep in mind the space required for the large plant. The flowers may be a crowd-pleaser when smoked, but the plant is a sight to behold! It will grow in all directions eating up space in your grow room.

A member of the Haze strain family, Chocolate Haze is a sativa-dominant seed. It is 95 percent sativa and 5 percent indica. Haze strains were originally bred in California in the 1970’s before they were shared with the rest of the world and popularized in Amsterdam. Chocolate Haze seeds have up to a 20 percent THC content and the high is very powerful, even for the most experienced smokers.

Experienced growers will reap 450-500 grams per plant in outdoor conditions when the harvest is dried. This resilient crop is easy to grow outdoors and should be ready in October to November. Because of its massive size, it is not recommended to grow indoors and this large, bushy plant is best taken care of by seasoned gardeners who will catch any infestation of mold early on. Indoors, it will reach 160 cm, but outdoors is can grow to 200 cm tall.

The smoke of this strain has been described as fruity, light and underlined with a strong chocolate flavor. It will linger in the air and dance across the room. Users have described feeling briefly transformed to the nostalgia of the 1980’s as they let the soft smoke engulf their lungs and the chocolate flavors dance on their tongues.

Chocolate Haze  Info

  • Genetics: OG Chocolate Thai X Cannalope Haze
  • Sativa/Indica: Sativa
  • Yield: Indoors: 475-525 g./m2 Outdoors: 450-500 g./plant
  • THC/CBD: THC: 20% CBD: Low
  • Flowering Period/Finishing: 9-10 weeks/late October
5 Seeds Per Pack
Add to Cart
$50.00
Chocolate Heaven Cannabis Seeds Feminized (G13 LABS)

Chocolate Heaven Cannabis Seeds Feminized

This great Sativa is a combination of genes from the old-school Afghan variety and the extremely well-known and award-winning Cannalope. These genetics result in the champion variety that we now present you and that we have named Chocolate Heaven. Its strong aroma of sweet fruit with a subtle hint of dark chocolate will carry you off to the most idyllic beaches. This Chocolate won’t leave a mark on your figure, but it will affect your mood, brightening up your everyday business just like a real chocolate. It produces a high yield, as is to be expected of a variety with such famous parents. It is also a high-growing plant, so lovers of small strains will need to choose other genetics. Nonetheless, this is a variety that has a lot of promise as it is easy to grow and can produce dense, heavy flower heads in about 65 days.

5 Seeds Per Pack
Add to Cart
$60.00
Cinderella 99 C99 Cannabis
Cinderella 99 C99 Cannabis Seeds Feminized (Montreal Cannabis Seeds)

Cinderella 99 C99 Cannabis Seeds Feminized

The C’99 is the holy grail of the cannabis strains. As she resembles the high and the taste of an exceptional sweet landrace sativa, which normally takes half a year to flower. But the C99 flowers in 7 - 8 weeks. On top of that the buds are quite sugared.
This new batch is a cross of two exceptional basic pheno types, the Grapefruit and the Pineapple. Both derived from the original Brothers Grimm C99. It matures in 4 weeks from seed, which is much faster than the original C99. (6 - 8 weeks)
One not to miss!

C99 INFO

  • Type:                     Indoor /
  • Flowering Time:      7  to 8 weeks
  • Indica/Sativa:         Mostly Sativa
  • Effect:                   Psychedelic Effect
  • THC%:                  High 
  • ​Yield:                    up to 450gr indoor
5 Seeds Per Pack
Out of Stock
$40.00
Cinderella-99 C 99 Cannabis seeds
Cinderella-99 Cannabis Seeds Feminized (G13 LABS)

Cinderella-99 Cannabis Seeds Feminized

Key Features: Fast finishing, easy to grow, classic sativa variety with dense crystal filled buds.

This Cinderella variety is very well known as a fast-growing Sativa (55 days). Its Grapefruit and Pineapple origins provide its taste and aroma with a unique, exotic touch. These origins are the Jack Herer and Haze varieties. They give a cerebral effect that allows for a complete relaxation, making this trip even more pleasurable. Cinderella 99 has some 500 g of precious material. So, not for nothing is it called the ‘Holy Grail’ of varieties. Its short height and fast grow time mean its qualities can be enjoyed by all.

Cinderella-99 INFO

  • Genetics: Jack Herer X Haze
  • Sativa/Indica: Sativa
  • Yield: 500 g.
  • THC/CBD: Very High
  • Flowering Period/Finishing: 55 days
5 Seeds Per Pack
Add to Cart
$60.00
Critical Cannabis Seeds
Critical Cannabis Seeds Femiized (Royal Queen Seeds)

Critical Cannabis Seeds Feminized

Key Features:  The ultimate cash crop that is easy to grow large yields in smaller spaces.

There are always lots of requirements to fill when deciding which strain to grow: strength, yield, flavour, ease of growth, suitability to climate etc. There is one marijuana plant that tries to bring together all these features in a perfect balance in order to produce the ultimate cash crop: large yield, short flowering period, good smoke. Critical is a plant designed for the 'cash-crop' grower who wants the best of both worlds and is guaranteed to fulfil expectations.

Our Critical plant is an Indica dominant genetic which shows in its small size, staying below 1 metre tall. It has short internode spacing, which will eventually fill up with buds, making it the high-yielding specimen it is. Its small height also makes it suitable for those looking to grow in small spaces, for the more discreet growers.

Grown indoors, it will average 65-75 grams per plant and can easily hit 600 grams per square metre under a 600W light. Grown outdoors, it prefers a warmer climate such as in Spain, Italy or California and, given the right conditions, will produce over 100 grams per plant. Due to its relatively short flowering time, it can be grown in more northern latitudes (UK, Netherlands); however, it will not reach its full potential as she would indoors.

No other plant from Royal Queen Seeds will yield as much in 7 weeks as Critical Feminized. This short flowering time makes it suitable for growers with a tight schedule. Commercial growers will be pleased with the results in sea/screen of green operations as it delivers large yields with very little maintenance.

The final key to a good commercial crop is a solid smoke; it wouldn't make sense to have such a high-yielding plant with no power in the puff. Therefore we are glad to say that Critical offers just as much in the stone as it does in the yield. It brings a nice stoned effect which mellows you down into a relaxed vibration.

Critical Info

  • Genetics: Afghani X Skunk
  • Sativa/Indica:  Hybrid
  • Yield: Indoors: 550-600 g./m2 Outdoors: 600-650 g./plant
  • THC/CBD: THC:  18% CBD: Low
  • Flowering Period/Finishing: 7-8 weeks/late September
5 Seeds Per Pack
Out of Stock
$50.00
Critical Cannabis Seeds Feminized (Montreal Cannabis Seeds)

Critical Cannabis Seeds Feminized

Critical Mass x Brazilian x South Indian is a big and branched plant with a large bud production. It adapts to all types of substrates and forms of cultivation. A maximum of 10 days of growth is advised for indoors to avoid a too big final size. Fast and rich outdoors harvest, it produces abundant branches and infinity of buds. The use of guides is essential in some cases so that the branches do not bend under its own weight at the end of flowering.

Critical  INFO

  • Type:                    Indoor / Outdoor
  • Growing:                Easy to Moderate
  • Flowering Time:      8 Weeks
  • Indica/Sativa:         80% Sativa
  • Effect:                   Relaxed High
  • THC%:                  12.94%    
  • Yield:                    up to 400gr indoor/300gr outdoor
5 Seeds Per Pack
Out of Stock
$40.00
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