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what is feminized cannabis seeds

Feminized cannabis seeds: characteristics and advantages over other cannabis seeds.

What are feminized seeds, their origin, their characteristics and the advantages they offer compared to other cannabis seeds.

Once upon a time, there was only Sativa, Indica and Ruderalis cannabis plants, born from their respective Sativa and Indica cannabis seeds. They are very similar in some respects: they are native to the southern hemisphere and grow slowly, taking advantage of all the light they can get until the end of the summer season.

The Ruderalis cannabis plant, on the other hand, has had to adapt to much less sunlight and has survived despite the difficult conditions in the northern hemisphere. Its flowering is different; it occurs several times a year and is not dependent on seasonal changes.

As the plants born from marijuana seeds move from the vegetative state to the flowering stage, they appear majestic and produce abundant buds, rich in resin and THC.

For a long time, breeders crossed the three cannabis varieties with each other to obtain different products with the best properties of both parents. One of the most prestigious results from these studies and experiments is the process of feminisation. It is the one from which the famous feminized seeds are obtained.

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Let’s go and see what it is!

Characteristics and benefits of feminized cannabis seeds.

Female weed seeds are now known to have an advantage. It is also true of female cannabis plants; whose buds contain the most exciting content of the hemp plant.

feminized cannabis seeds (often called ‘Fem’) will create female cannabis plants (the probability ratio is 99%). Thanks to this exceptional feature, there will be no need to follow the development and understand the sex of the plant, having then to discard the male plants.

This type of marijuana seed was born at the end of the 1990s, precisely to eliminate the problem of having to recognise the sex of the plants, risking the birth of male plants useful for hybridisation, but not to obtain inflorescences and resin.

While at first feminized seeds could produce unstable plants with quality problems such as hermaphroditism, they have been perfected over the years. Specialists have considerably increased quality levels, and almost replaced all the regular seeds (also called “normal” seeds, they are old school favourites).

How to create feminized seeds?

The truth is that if we have feminized seeds available today, it is thanks to watermelons.

But what does it mean?

For the watermelons’ production, many experiments have been done, and it was found that the feminized version of the seed produced fruit without seeds. It is the difference with regular seeds – a great revolution for the growers!

Besides, the feminized variety can be cloned from cuttings, maintaining the age and genetic composition of the mother plant. But plants that grow from seed are much more robust and do not inherit the mother plant’s vulnerability to pests and diseases.

The fundamental difference between auto flowering and feminized seeds.

As we said in the previous lines, feminized marijuana seeds have the great advantage of giving birth to female plants that will produce THC-rich flowers. The benefits for growers are:

  • Convenience: a high-productive plant that will be generated from each cannabis seed.
  • Economy: there will be no problem of uprooting male plants or diverting them to other uses.

But what is the difference between feminized seeds and auto-flowering and fast growing weed seeds?

You should know that auto flower seeds are so named because they flower automatically according to the age of the plant, not the photoperiod. It happens in the same way for fast flowering cannabis seeds but in an even quicker time (sometimes even in 42 days!).

The artist’s touch, however, lies in the fact that these two types of seeds, besides the fact that they are flowering independently, are also feminized! Therefore, breeders are dealing with cannabis seeds that guarantee the birth of female plants, and that will flower automatically.

So why buy feminized seeds if these automatic varieties exist?

The answer lies in the type of production: plants generated from classic feminized seeds indeed allow a much more abundant harvest of flowers than varieties with autoflowering and rapid flowering. The plant becomes more powerful, and its buds will be richer in flowers and resin.

As a result, feminized seeds are the best product for growers who aim for an exceptional harvest in terms of number and size of flowers.

Our conclusions

In the UK, the law prohibits the cultivation of marijuana plants; in fact, the weed seeds you find in the SensorySeeds shop are for the sole purpose of collection.

In our Grow Shop, there are many types of feminized seeds from BSF Seeds (one of the best seed banks in the world), including :

What are you waiting for? Discover our catalogue now and find the best-feminized seeds on the online market!

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).