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🎁 10 FREE seeds with orders over $420 · Free shipping over $200 · Germination guaranteed
Feminized seeds grow only female, bud-producing plants. For Canadian growers working within a four-plant household limit, that makes them the most efficient seeds you can plant.
Feminized marijuana seeds are cannabis seeds bred to grow only female, bud-producing plants. They remove the roughly 50% of male plants you get from regular seeds, which matters in Canada where most provinces cap home growing at four plants per household. Expect 9 to 16 weeks from seed to harvest, and full control over when flowering starts.
Last updated: July 2026
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Cannabis is normally dioecious, meaning each plant is either male or female. Only females produce the resinous flower you harvest. Feminized seeds are produced by inducing a female plant to create pollen, then using that pollen on another female. Because no male chromosome is involved, virtually every resulting seed grows into a female plant.
You skip the sexing stage entirely. There are no males to identify at week five, nothing to pull out, and no risk of a missed male pollinating the garden and leaving you with seedy flower.
Under the Cannabis Act most provinces allow up to four plants per household, so every plant counts. With regular seeds roughly half your garden can turn out male, which can leave you with two useful plants instead of four. Feminized genetics protect that limit.
Feminized photoperiod plants flower when daily light hours drop, which gives you full control indoors: keep them under 18 hours of light to build size, then switch to 12 hours to begin flowering. Outdoors they are planted after the last spring frost and harvested from late September into October. If your season is short, fast version seeds finish one to two weeks sooner and autoflower seeds are ready in as little as eight to ten weeks.
Start with one or two forgiving strains such as Northern Lights, White Widow or Bubba Kush. Read our germination guide first, then follow our growing guides.
Every MJ Seeds Canada order includes: a germination guarantee, plain discreet packaging with no cannabis branding, and 3 to 7 day delivery from Vancouver, BC to every province and territory. Pay by credit card, Interac e-Transfer or Bitcoin, with free shipping over $200.
| Seed type | Starts flowering | Seed to harvest | Plants produced | Best for |
|---|---|---|---|---|
| Feminized | Light cycle (12/12) | 9 to 16 weeks total | Female only | Biggest yields per plant |
| Autoflower | Age, about 3 to 4 weeks | 8 to 10 weeks total | Female only | Speed and short seasons |
| Regular | Light cycle (12/12) | 9 to 16 weeks total | Male and female | Breeding and mother plants |
| High CBD | Depends on variety | 9 to 14 weeks total | Female only | Low THC, clear-headed |
| Fast Version | Light cycle (12/12) | 8 to 12 weeks total | Female only | Full yield, earlier finish |
| Auto CBD | Age, about 3 to 4 weeks | 8 to 10 weeks total | Female only | Easiest low-THC grow |
Times shown are typical ranges from seed to harvest and vary with strain, climate and setup.
Feminized seeds produce female plants in the very large majority of cases, typically quoted by breeders at around 99%. A plant can still turn hermaphrodite if it is badly stressed by heat, light leaks during the dark period, or damage, so stable conditions matter more than the seed itself.
Yes. Feminized seeds are usually the best choice for a first grow because you never have to identify and remove male plants, and you cannot accidentally pollinate your own crop. Beginners in Canada also stay within the four-plant household limit without wasting slots on males.
Most feminized photoperiod strains take 9 to 16 weeks in total: roughly 3 to 6 weeks of vegetative growth, then 7 to 10 weeks of flowering once you switch to a 12 hour light cycle. Outdoors in Canada that usually means planting after the last spring frost and harvesting from late September into October.
Feminized seeds flower when daily light drops to about 12 hours, so you decide when flowering begins and can grow the plant larger first. Autoflower seeds flower automatically after about 3 to 4 weeks regardless of light, finishing in 8 to 10 weeks but staying smaller.
Federally, adults may grow up to four cannabis plants per household under the Cannabis Act. Quebec and Manitoba prohibit home cultivation, and landlords or condo boards may add their own restrictions, so confirm your provincial and building rules first.
Hardy classics such as Northern Lights, White Widow and Bubba Kush are the usual recommendations for first-time growers because they tolerate mistakes in feeding and humidity, stay reasonably compact, and finish on a predictable schedule.
