What Is A Feminized Weed Seed

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This definition explains the meaning of Feminized and why it matters. Feminized marijuana seeds can streamline the growing process and ensure that cannabis cultivators get the most out of their hard work. Read all about the process here. What are feminized cannabis seeds? Feminized cannabis seeds were first created in the 1990’s by Dutch Passion; feminized seeds give rise to female cannabis plants. Before feminized cannabis

Feminized

Feminized (seeds) refers to cannabis plants that have been bred to produce only female strains. Such cannabis plants have been modified to produce only bud-bearing female plants.

The female cannabis plant is the most coveted for its production of terpenes and cannabinoids in its flowers. Tetrahydrocannabinol (THC) creates the desirable psychoactive experience known as a ‘high’ that users find pleasurable and beneficial. However, other cannabinoids also excreted by female plants are also believed to assist in the treatment of numerous medical conditions.

Growers like feminized seeds because they are guaranteed an all-female crop for cultivation.

Maximum Yield Explains Feminized

Feminized seeds were first cultivated by growing female cannabis plants that possessed both male and female characteristics. Known as hermaphrodite or hermaphroditic plants, such early cannabis plants were predominantly female but if the plant underwent stress, such as water deprivation or sudden temperature drops, the plant would enter a survival mode. In survival mode, the female plant would start to produce male staminate flowers so that pollination of the plant’s female pistil flowers could easily occur.

By growing both male and female flowers, the cannabis plant guaranteed it’s lineage survival through seed production.

Researchers have found that the use of colloidal silver helped to physically modify the seeds to further guarantee the production of only feminized seeds.

What Are Feminized Cannabis Seeds?

This article is sponsored by Kannabia Seed Company, an award-winning cannabis seed company headquartered in Spain. Using only the highest quality genetics on the market, their grower-oriented approach has made cannabis cultivation simple and satisfying for growers of all skill levels for years.

Anyone who’s ever savored a joint owes their enjoyment to the fruits of the cannabis plant, but moreover, to the female of the species. That’s because only female cannabis plants produce the cannabinoid-rich flowers that deliver the flavors and effects consumers look for.

This is why many North American growers are turning to feminized seeds—cannabis seeds that carry only female genetics, and can be relied on to produce only female plants. By creatively applying technologies to seed feminization, modern breeders like Kannabia can ensure female genetics in seeds with a nearly 100% success rate.

Male vs. Female Cannabis Plants

A bud of Diesel Glue grown from Kannabia’s feminized seeds. (Courtesy of Kannabia)

Cannabis plants that are pollinated naturally or with traditional breeding techniques can produce both male or female seeds. These are known as regular seeds and, as in most species, they occur with about an even split between the two sexes. That means cannabis cultivators starting with standard seeds have about a 50% chance of yielding a female plant from each one.

As a result, growing cannabis from regular seeds isn’t very efficient—it’s akin to running a bakery that has to throw out every second loaf of bread. Growers working from regular seeds have to account for the fact that roughly half of their plants could be males. While those plants are of some value to breeders, folks growing for flower won’t find much to like in them, and too many male plants can spoil a grow.

Traditionally, the solution to this has been an inelegant one, with many cultivators planting at least twice as many seeds as they hope to harvest with the assumption that about half of them will be useless. However big a harvest you’re looking for, using regular seeds means you’ll have to plant twice that many seeds.

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Why Grow From Feminized Cannabis Seeds?

Cultivators depend on feminized seeds for efficient growing cycles. (Courtesy of Mr. Sticky Farm)

There are numerous advantages for growers who start their garden using feminized seeds. By removing the guesswork of germinating regular seeds, feminized seeds streamline the growing process, saving space and time.

That efficiency is key for medical cannabis patients and hobby growers. Since most cannabis regulations limit plant counts, growers cultivating a small crop of cannabis for personal use want to ensure they’re getting the most out of their grow.

Male plants don’t just take up space in a garden, either. They can also sap time and resources from growers. When male and female plants are both present, growers need to cultivate both until their sexes are clear. While some strains will show early signs of their sex before flowering begins, most cannabis plants don’t begin to express their sex until they start to mature past the vegetative stage.

This change occurs when the photoperiod, or amount of light and dark that the plant receives, changes to 12 hours of light and 12 hours of dark. In outdoor gardens this change can happen naturally with the seasons or, in more controlled environments like indoor gardens, by human intervention using light timers.

Once those plants are old enough, growers have to go to the trouble of actually determining their sex, monitoring each individual plant to ensure any males are removed before they can pollinate their female counterparts.

Growers can avoid spending weeks nurturing plants with only a 50% chance of expressing as female and maximize the space and plant count in their gardens by using feminized seeds from suppliers like Kannabia. These specially-treated seeds increase the probability of producing a female plant to 99%.

How Are Cannabis Seeds Feminized?

Treating cannabis seeds with a silver thiosulphate solution can ensure the resulting plants are females. (Courtesy of Kannabia)

There are a few techniques that can produce reliably feminized seeds. One classic method is stressing out a healthy female plant by interrupting its light cycle during flowering. While that works to an extent, the more common and controlled method is to spray down female plants with a collodial silver or silver thiosulphate solution. This method makes it possible to control the sex of a plant without any genetic tinkering or modification.

Both substances are a blend of water and fine silver particles, and they work in largely the same fashion. The silver solution impedes the production of ethylene, a hormone involved in flowering. The result is a female plant, but one that produces male flowers with pollen sacs. Since those pollen sacs develop on a plant with only female genetics, female genetics are all they carry. When those flowers pollinate another female plant (one untreated by silver solutions), the resulting seeds are nearly certain to be female.

Treating plants with a silver thiosulphate solution results in seeds that will produce feminized plants nearly 100% of the time, and Kannabia’s breeders have found this method to be the most effective way to maintain the stability of the seeds and future feminized plants.

Feminized Varieties to Try in Your Garden

Using feminized seeds can make it easier for home growers to cultivate strains like Russian Doll. (Courtesy of Kannabia)

Growing cannabis in your home is legal in an increasing number of states and provinces throughout the United States and Canada. To make starting a home garden easy, growers can start with feminized seeds for many popular strains from providers like Kannabia.

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“In our search to find new genetics, Kannabia paired us with their feminized Russian Doll seeds,” say growers at Canada’s BlueSky Organics. “Every seed germinated, and now that we are in the late vegetative stage, these plants have an extremely hardy trunk preparing themselves for some massive buds.”

If you have more questions about strains or seeds, keep digging through Leafly’s resources. And to learn more about the variety of feminized seeds available to you, visit Kannabia’s website to see its full line of feminized genetics, including strains like Diesel Glue and the award-winning Mataro Blue.

Promotions are offered solely by Kannabia Seed Company. Terms and conditions may apply—contact Kannabia for full details.

What are feminized cannabis seeds?

Feminized cannabis seeds were first created in the 1990’s by Dutch Passion; feminized seeds give rise to female cannabis plants.

Before feminized cannabis seeds were invented, the only option for home growers was to use regular cannabis seeds , these produce male and female plants in roughly equal numbers. The male plants have to be thrown away to prevent them pollinating the females, which would fill the plants with seeds. Many home growers in the 1980’s & 90’s wanted feminized seeds which would only produce female cannabis plants, but this was widely regarded as impossible, many people had tried and failed.

The introduction of seed feminization means that only half as many cannabis plants need to be grown. This allows the grow-room to be smaller, use less energy and be more efficient In countries where cannabis has not yet been legalized growers prefer to have fewer plants to minimise their risk.

Above, OutLaw grown by Mr Sparkles. OutLaw is one of Dutch Passions most resinous strains

Below, CBD SkunkHaze by Antonio. Any seed variety can be feminized; CBD-rich, automatic or traditional.

The introduction of feminized seeds has been one of those few discoveries that have genuinely changed the way millions of people grow their own weed. Within a few years feminized seed accounted for around 97% of Dutch Passion seed sales. And as other seed companies learned how to create feminized seeds they saw the same effect – nearly all the customers wanted to use feminized cannabis seeds. Today many seed companies only sell feminized seeds.

Here at Dutch Passion, despite inventing feminized seeds we still sell 15 varieties in regular (non-feminized) seeds even though these regular varieties account for just 2-3% of our sales. Selling regular seeds is a service rather than a profitable business for us, we offer regular seeds for the old-school home growers who still prefer them. And our collection of regular seeds is also a valuable source of original genetics for smaller seed banks who like to select plants for their own breeding projects.

Above, AutoXtreme grown by TaNg almost ready to collapse under its own weight. All of Dutch Passions Automatics are feminized.

Below, Blue AutoMazar by Hazy. A super-potent customer favourite characterized by numerous heavy blooms, rich flavours and exceptional resin production.

How were feminized cannabis seeds discovered?

Its a question we are often asked. How did we find out how to create feminized seeds? The question had been asked ever since home growing began to appear in the 1970’s and 1980’s. There were many ideas, some people believed that minute differences in the size or shape of the seeds could indicate whether the seed would produce a male or female plant. But like many of mankind’s challenges the real answer came after years of study, research and hard work.

Henk van Dalen formally established the Dutch Passion Seed Company in Amsterdam in 1987 after many years collecting and working with the best cannabis genetics. As well as offering top quality cannabis genetics to the home grower Henk always had a passion to make it easier and more convenient to grow cannabis at home without being an expert.

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Above, Think Different grown in DWC under 600W HPS by Bambud. A strong cerebral high and one of our most established automatics

Three books were to play an important part in Henks work. These were: Mel Frank/Ed Rosenthal`s “Marijuana Grower`s Guide” (1978) and Robert Connell Clark`s “Marijuana Botany” (1981) and Jorge Cervantes “Indoor Marijuana Horticulture” (1983). The comments in Rosenthal’s book about female seed possibilities was especially interesting to Henk who has always looked to make marijuana growing easier and more convenient to the home grower. Henk used his Biology degree and understanding of plant hormones to apply some scientific methods to his work.

Henk noticed something unusual when he left female plants to continue flowering for a few weeks longer than normal. He noticed that female plants grown from regular seed and left to bloom for several weeks longer than normal could produce male flowers at the very end of their life cycle. At the time it was an observation that was puzzling, yet it was also an observation that was repeatable. The male flowers were produced so late that the plant was unlikely to be able to pollinate itself, the optimum point to pollinate a female cannabis plant is after approx. 4 weeks not 12 weeks ++. Henk carefully collected the pollen produced from these male flowers and used it to pollinate other female cannabis plants. The seeds were collected and grown. The process was time consuming but necessary. It was a remarkable ‘Eureka’ moment in cannabis history, all the seeds produced female cannabis plants. At first it seemed too good to be true, it was repeated again and again.

Eventually it was clear that the pollen collected from these late male flowers gave rise to female plants. It was called ‘female pollen’ since all the seeds grew into mature females. Feminized cannabis seeds had been invented and commercially introduced in November 1998. although some people initially refused to believe it was actually possible. The process of collecting this ‘female pollen’ was difficult, female plants had to be grown from regular seed and left for many weeks longer than normal and even then only small amounts of ‘female pollen’ could be collected. Several techniques were subsequently developed to stimulate female plants to create more ‘female pollen’.

Above Skunk#11 grown under HPS by Captain Beefheart in soil. Our first variety to sell 1million seeds and still a classic

Within a few years feminized seed had become the normal way for the home grower to grow their own cannabis. Many people feel feminized cannabis seeds are Dutch Passions greatest contribution to the home grower, but we like to feel that the quality of our traditional, CBD-rich and AutoFem cannabis seeds is an equally important contribution. Henk received the first High Times ‘ Dutch Master’ award for his contribution.

Today feminized cannabis seeds have become the normal way to grow cannabis whether you are growing traditional varieties, autoflowering or CBD-rich varieties. Dutch Passion are extremely proud and grateful to have made a contribution to the cannabis world that has affected the way so many people grow their own cannabis.

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