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Ultimate guide: What are feminized cannabis seeds, why they are in high demand and three ways you can make them, too

Feminized seeds have increased in demand since medical cannabis became legal, but how are seeds feminized?

Breeders and seed producers will want feminized seeds for business purposes, as they’re in very high demand in places where growing weed is legal. Photo by iStock / Getty Images Plus

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Most people already know that cannabis buds used today come from female plants. Male plants pollinate female plants, which respond by producing seeds. Just like children, some seeds end up being female and some male.


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A male plant can pollinate an entire room of female plants. With little more than a bit of wind, each female plant will end up being fertilized. Getting only feminized cannabis seeds is more complicated, and while not an impossible task, this does demand a workaround on the rules set up by nature.

Ultimate guide: What are feminized cannabis seeds, why they are in high demand and three ways you can make them, too Back to video

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Why are seeds feminized?

Cannabis growers need seeds that are guaranteed to grow into female plants in order to avoid pollinating the entire crop. Since no one wants seeds in their weed, feminized seeds are required. When it’s confirmed all seeds are feminized, big crops can be grown knowing that the plants are safe from pollination by a male plant.


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As cannabis becomes legal in more places around the world, feminized seeds are likely to be among the first things sought out by new growers. Photo by iStock / Getty Images Plus

Breeders and seed producers will also want feminized seeds for business purposes, as they’re in very high demand in places where growing weed is legal. As cannabis becomes legal in more places around the world, feminized seeds are likely to be among the first things sought out by new growers. Reliably producing female plants is of great value in the cannabis industry, because female plants produce flowers that have greater medicinal value.

How to feminize seeds?

When breeding cannabis, growers will intentionally pollinate their females to get certain traits in the offspring. Once the breeder stabilizes a certain trait, the idea is to mass produce the offspring with precisely those traits. This may be done by feminizing seeds that the “mother plant” produces.


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In the wild and without any human tampering, cannabis plants produce mostly female seeds when they “perceive” they’re approaching the end of their lifetimes. Feminization is essentially a process of pushing the plant to produce as many female seeds as possible, by making it “think” it’s approaching its last days.

Only a very small percentage of male seeds will be produced because a small number of male plants can pollinate many female plants. This is why the process of pressuring the plant to produce female seeds en masse is called feminization.

In the wild and without any human tampering, cannabis plants produce mostly female seeds when they “perceive” they’re approaching the end of their lifetimes. Photo by iStock / Getty Images Plus

There are several ways to perform seed feminization. Though each approach is different, they all boil down to the same thing—getting female seeds. That said, some methods are more efficient than others and, as such, are preferred by numerous producers and growers.


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Feminizing seeds with colloidal silver

Colloidal silver is a substance made from microscopic particles of silver, which are suspended in liquid. Measuring less than 100 nm (nanometres) in size, the particles of silver are invisible to the naked eye. Colloidal silver works by inhibiting female flowering hormones in cannabis. The result of this is that the male hormones dominate, and, thus, male flowers are produced.

By doing so, healthy female plants are transformed into males. The pollen that came off that plant can be used later to pollinate other plants.

Cannabis is known to yield many—hundreds, sometimes even thousands—of seeds after being pollinated. The colloidal silver method is tried and true for consistently getting feminized seeds.


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To start the process, spray colloidal silver on the plant branches every three days before switching lights to 12/12 hours, and continue spraying it until the first male flowers begin to appear. As the plant matures, it will produce pollen that should be collected and used to pollinate other female flowers. Collect the new seeds and plant them to get the next generation of the same plant.

Feminizing with gibberellic acid

Feminizing with gibberellic acid may be even simpler than with colloidal silver. Available mostly in powder form and found online, mix the acid with water until it reaches about 100 ppm (parts per million, instructions on packaging will explain), and spray that mixture on the plant once a day for 10 consecutive days during the flowering phase. Male flowers should be produced.


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A male plant can pollinate an entire room of female plants. With little more than a bit of wind, each female plant will end up being fertilized. Getting only feminized cannabis seeds is more complicated, and while not an impossible task, this does demand a workaround on the rules set up by nature. Photo by iStock / Getty Images Plus

Once that part of the process is done, apply the pollen from the resulting male flowers on other healthy female plants. The idea is that those plants will yield feminized seeds after being pollinated.

Feminizing with the rodelization method

The rodelization method is, by far, the slowest, least efficient and least reliable approach of the three. Rodelization entails not harvesting flowers after they’ve bloomed, but, rather, forcing the plant to turn male, in order to preserve itself.

After the plant has flowered, it should be left as is for another few weeks. It is likely the plant will then grow a couple of male flowers, in an attempt to pollinate itself once more. If the plant succeeds, the grower will need to wait another few weeks to get decent seeds that are ready for sowing (the method generally yields fewer seeds than the other two).

Do Female Marijuana Plants Produce Female Seeds?

Marijuana plants are predominantly male or female, while hermaphrodite crops are likely. Cannabis is classified as a Cucurbitaceae family herb, indicating that both females and males plants grow plants. Any developer would want to develop cannabis seeds pretty soon. The creation of a new viable strain is outside the reach of this debate and needs the capacity to produce dozens or even hundreds of cultivating plants.

Each species has specific qualities that allow farmers to tell each other apart. It is necessary to understand precisely how to classify each type, depending on the selected consequence of the development, whether it is full pungent glands or seeds and the capacity for reproduction.

Ascertaining the identity of the marijuana plant would be the initial step towards active cultivation. Woman plants will be the only ones producing bud weed. Marijuana plants are not gender-neutral. There are female crops that give birth to the real bud crop. Male plants are developing pollen. Nevertheless, the weed plant is a little unusual in this regard.

Female plants that, under some conditions, become hermaphrodite-meaning, they both seem to be male and female. It occurs in a case when the plant is under tremendous threat and struggles for its continued life. Both sexes are the final recourse of self-pollination and tend to disperse seeds.

Other Things to Highlight and Take Note Of

It is vital for you to distinguish first the female cannabis seeds, and here is how you will do that:

  1. Female opium poppies are the utter choice for most producers who choose to enjoy, produce, or sell large nutritious plants. It is because female plants are covered in a generous amount of rich marijuana pigment that defines their leisure and therapeutic value. This substance is developed by shrub-shaped receptors on a medicinal plant leaves and stems, mostly quick marijuana producers.
  2. While also possessing a clearly substantial use among human beings, this hard, fibrous material is absolutely essential for the replication and speciation of the marijuana plants. It enables plant material to capture male pollen resulting in the fertilization of the crop.
  3. Within a week of fertilization, the female plant should join the crop, ensure the longevity of the organism, and provide reproduction and growing opportunities for the producers.

Female Marijuana Plants Producing Female Seeds

Everyone who has ever enjoyed a smoke attributes their gratification to the seed of the hemp plant, but also to the female of the group. It is because it is the female cannabis plants alone grow nicotinic receptor-rich plants that bring tastes and benefits to users.

Effeminate seeds contain only female plants, and when they decompose, there would be very few males within them if they are appropriately generated. The possibility of inadvertently replanting plants by misinterpreting a male is reduced. A hetero-free plant is just one justification for the usage with all-female seedlings: others could be the survival of a specific trait or species of crop.

Cryogenic preservation is the popular way of preserving the appropriate genetic makeup of a crop. Nevertheless, a plant bordered with one another delivers vegetables that maintain the excellent properties of its lineage. That’s why many western European gardeners are beginning to turn to effeminate seeds — recreational marijuana seeds that handle only female genetic mutations and can be dependent on to manufacture only female plants.

By constructively implementing seed feminization techniques, advanced farmers such as Kannabia can guarantee female genetic factors in crops with a completion rate of almost 100 per cent.

The same thing occurs when female species are handled with exogenous hormone compounds. The distinction is that while a mature person has indeed developed his sex organs, any time a crop grows a new plant, a new sex organ emerges. Crops undergoing chemical control produce healthy male seeds, even if the crop is indeed a feminine of x Chromosomes, the sediment includes only female genetic material.

The best opportunity to develop feminized marijuana seeds is through conducting genetic modification of the crop. You may allow the plant to establish male flowers by inserting or suppressing biochemical reactions.

Since you did not take a crop that grows male flowers during tension, there is no hereditary susceptibility to hermaphroditism in the crop vs. the crops raised in between biological parents and the female family. There are various benefits for producers who use transgenic plants to launch their product. By minimizing the uncertainty of overwintering healthy seeds, feminized seeds are streamlining the growing cycle, preserving energy and freedom.

This quality is essential to legal marijuana patients and recreational producers. Because most pot laws limit crop numbers, developers planting a limited cannabis crop for the individual user would like to ensure that they get the best out of their production.

Some of the Methods We Can Cultivate

Perhaps, the best-established breeder Soma has created the quickest process. He found that when the colas of several variations had approached late maturity (which, by the way, I like as harvesting season), a few productive male flowers emerged.

It’s also a warning the buds are tender. Replant the plant to use a freshwater cloth and spray it straight onto the flowers or lock it in tiny glass or watertight container. Not all hybrids grow male flowers at the edge of their edibility, however many do, and they do so consistently.

Entirely limited quantities of seed are developed using this process, but maybe a little pollen, correctly enforced, counts for a lot.

In conclusion, a few other hybrids usually crop outdoors but perceive indoor growth environment as challenging and develop hermaphrodite plants. Pollination from these inflorescences can be used for reproduction, providing that the corresponding crops are cultivated outside. It is better to note, especially where they do not show excessive hermaphroditism.

Crop stress, including such inconsistent sets of lights and temperature, occasionally induces hermaphrodites. Stress methodologies are not dependable, after all. They only ever seem to function if you wouldn’t want it to, and we haven’t reported a stress fitness regime that virtually guarantees testicular shrinkage.

Feminized Seeds: The Complete Guide For Cannabis Growers

Want to grow the best pot possible right in your very own home? Start with feminized seeds.

In this article, the all-things-cannabis experts at Honest Marijuana discuss the ins and outs of feminized seeds and why they’re your best bet for an easy DIY grow.

What Are Feminized Seeds?

Feminized seeds are seeds grown from a pot plant whose parents were both females.

Because there are no male parents in the mix (XY genetics), all the plants that come from the feminized seeds will be of the seedless female variety (XX genetics).

This is good news for you, the grower, because it all but eliminates the possibility that the seeds you plant will turn out to be male.

In fact, with feminized seeds, the odds of getting a female plant increase from 50% to around 99.9%.

It’s pretty much a sure thing that the seeds you plant will grow into a female plant with seedless buds (the holy grail of ganja growers everywhere).

With those odds, you won’t have to spend copious amounts of time and energy culling male plants from your grow space.

And you won’t have to worry that the female plants that do pop up will eventually get pollinated and produce seed — which is a less-than-desirable result.

If you’re striving for nothing but resin-filled flowers from your grow operation, plant nothing but feminized seeds.

Why Are Feminized Seeds Better?

They Produce A More Potent Final Product

It all comes down to the fact that feminized seeds produce female plants.

Female plants that go unpollinated typically produce more plentiful and more potent buds and don’t waste their energy growing seeds. Essentially, no seeds mean more energy for flowers.

Here’s how it works.

Female cannabis plants begin to flower when the days get shorter in the late summer.

The period of time between the first signs of flowering and when the buds are fully ripe and ready to harvest is commonly referred to as the flowering period.

Female cannabis plants grown in the presence of male cannabis plants inevitably become pollinated (because, nature) and wind up producing seeds during the flowering period.

However, unfertilized female cannabis plants live longer and continue to produce flowers for up to a month longer than their fertilized brethren.

At the same time, the stem and leaves stop growing and the plant directs all its energy into growing larger, more developed buds (flowers).

This extra available metabolic energy — that otherwise would have gone into producing seeds — also contributes to an increase in cannabinoid, terpene, and flavonoid production.

Ultimately, that’s what makes feminized seeds better.

More THC means a heavier psychedelic experience. More CBD means a more potent medicinal experience. And more terpenes and flavonoids mean a better tasting, better smelling final product.

Their Buds Are Easier To Use

As we mentioned above, feminized seeds grow into plants that themselves don’t produce seeds.

The absence of seeds in the final product (the flowers) makes those buds easier to use when it comes time for you to partake of the wacky weed.

Before growers figured out how to feminize seeds (and grow only female plants), consuming cannabis was a labor-intensive activity.

You’d first have to separate the seeds from the buds by rooting around in the sticky icky with your fingers.

Then, and only then, could you get to grinding, rolling, baking, or bonging.

If you, for some reason, decided to skip the de-seeding step, the smoke you toked would eventually taste burnt and the room would smell like the inside of a coal furnace (not the dank fragrance you were used to).

All this digging around in your buds to find seeds was messy. Plus — and perhaps most importantly — it also did a number on the potency. The more you man-handled your buds, the more cannabinoids would stick to your fingers.

Though you can roll that sticky stuff into hash, most users would prefer it stay on the buds where it can be put to easy use in the joints they roll and the bowls they pack.

Feminized seeds and the female plants they produce remove all that hassle and leave you with a purer experience.

All you have to do is grind, roll, light, and enjoy.

DIY Feminized Seeds

If you’re starting your grow from scratch, you’ve got several options:

  • Buy feminized seeds and grow as many dank buds as possible
  • Buy feminized seeds and grow more feminized seeds
  • Buy feminized seeds and grow both buds and feminized seeds (not necessarily on the same plant)

We suggest the last option because you’ll get the best of both worlds: flowers for immediate consumption and feminized seeds for the next generation.

In the steps below, we’re going to show you one of the easier ways to produce feminized seeds using colloidal silver.

1) Buy And Grow Feminized Seeds

Everything starts here, so invest in some high-quality feminized seeds so you can feel confident in the final product.

2) Set Aside At Least Two Plants

You’ll need to set aside at least two plants: one to make feminized pollen (only XX genes) and one to pollinate.

The one from which you get the feminized pollen will be a total loss (other than the pollen, of course), so don’t plan on consuming those buds.

You can, of course, set aside more than one plant to pollinate, but keep in mind that the flowers will be less plentiful and less potent because the plant will put most of its energy into producing feminized seeds.

3) Spray Bud Sites With Colloidal Silver

After switching to a 12/12 light schedule, spray the bud sites of one female plant with colloidal silver every day.

As the bud sites develop, instead of growing into flowers, they’ll grow into feminized pollen sacs (containing nothing but XX genes).

4) Harvest The Feminized Pollen

When the leaf section protecting the pollen sacs starts to crack, the pollen is ready for harvesting. The easiest way to do this is to remove the pollen sacs from the plant and let them dry for a week.

Then, place the sacs in a paper bag or plastic baggie and shake them vigorously to release the pollen.

5) Dispose Of The First Plant

Once you’ve harvested the pollen sacs, dispose of that plant.

WARNING: Don’t use the flowers, leaves, or stems for anything because they’ll still contain colloidal silver.

6) Pollinate Another Female Plant

After another female plant has been flowering for two to three weeks, pollinate that plant with the feminized pollen from the first plant.

7) Harvest The Feminized Seeds

Six weeks later, the calyxes on your female plant will swell and the seeds will start bursting out. Harvest these seeds and start the process again from the beginning.

A Dual-Purpose Grow

As we mentioned at the start of this section, you can operate a dual-purpose grow — one that will produce buds for immediate consumption AND feminized seeds for the next generation.

You’ll need a total of at least three female plants (started from feminized seeds) to make this happen: one to produce feminized pollen, one to be pollinated, and one to harvest for the buds.

Depending on how many feminized seeds you start with, and what you need from your grow operation, you can, of course, set aside more for each purpose (e.g., one to produce feminized pollen, two to be pollinated, and three to harvest for buds).

Choose High-Quality Feminized Seeds

Feminized seeds are feminized seeds — the vast majority produce seedless buds (sinsemilla) that provide some level of psychoactive or medicinal effects.

The real key to a good marijuana experience, however, isn’t whether or not your buds were grown from feminized seeds.

The real key is the quality of the strain from which those seeds came and whether or not the plant that produces the bud you smoke was grown organically.

Low-quality bud, such as mids and regs, will produce a low-quality final product.

That low-quality final product will diminish any psychoactive or medicinal effects you experience.

When you’re growing your own weed with an eye towards cooking up a batch of edibles, rolling a J, or packing a bowl, always use feminized seeds from the highest-quality plants you can get your hands on.

You can grow any strain you choose, as long as the seed stock came from a healthy, well-producing parent.

If you don’t, the end result may leave you dissatisfied and downhearted.

Plus, with a high-quality, organic strain like those grown at Honest Marijuana, you’ll need less bud to experience the effects you’re after — a little high-quality ganja goes a long way — and, you’ll be protecting yourself against harmful fertilizers, heavy metals, and pesticides.

Remember all cannabis products come from the cannabis plant in one way or another.

If the grower used chemicals to treat the plant, traces of those chemicals may remain in the product you take.

You can avoid this issue entirely and experience cannabis the way it was meant to be with the best products on the planet from Honest Marijuana.

If you live in Colorado, find some Honest Marijuana and discover what the purest marijuana experience on the plant feels like (hint: it’s like nothing you’ve ever felt before).