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how to tell if a seed is female

When growing marijuana, it is important to identify male plants as early as possible. Just one male plant can pollinate an entire field, so it is critical that male plants are removed before they develop pollen sacs. There are certain signs that a young marijuana plant is male, including the following:

The largest seeds are the best ones to grow. It is easier to pick the largest ones if there are several to compare side by side. Growers should look for the most symmetrical seed that is round or shaped slightly like a teardrop. Underdeveloped seeds are small and have an asymmetrical shape.

Those who live in a state where marijuana is legal for medical or recreational use can sometimes find seeds at their local dispensary. However, online marijuana seed banks have significantly more strains available. Even individuals who live in some states where marijuana has not been made legal to use can purchase seeds online. Several states consider dormant seeds to be souvenirs, so it is legal to purchase and own the seeds as long as they don’t become high-THC plants.

What Does a Male Cannabis Plant Look Like?

While it is best to identify male marijuana plants by their pollen sacs as soon as possible to avoid accidental pollination, there is another way to determine a plant’s sex. If male and female seeds are planted at the same time, the male plants will grow faster and taller than the female plants. Additionally, male plants have longer stems with fewer leaves, making them look spindly compared to female plants.

Seeds can remain viable for three to ten years if stored properly, but more and more seeds will fail to germinate as time passes. Older seeds will take more time to germinate, so growers should use the float test before assuming the viability of their stored seeds. They can speed germination by soaking the viable seeds in water mixed with a few drops of hydrogen peroxide for 24 hours. It is important to watch them closely for signs of opening, as they will need to be removed immediately to avoid drowning.

Many growers who have numerous marijuana seeds need to store them long term if they want to germinate them in the future. However, seeds need to be kept in specific conditions to remain viable. They should be stored in a cool, dark, and dry room, much like the environment in which growers dry their harvested marijuana.

The float test is a more scientific approach to determining the quality of a seed. The test involves filling a drinking glass with spring or distilled water and placing the seeds inside of it. Allow the seeds to soak for one to two hours before determining quality.

Firstly, I’m pretty new to posting on this forum so hopefully I posted this in the right category.

Out of the other 3 plants that were potentially female, all 3 have shown sex and guess what, all 3 are Females.

I may have the answer but would like for other growers to please try this out and confirm if it works for them.

I recently tried this out and I can confirm that it works. I germinated 5 seeds. 2 of them that I planted where sprouted out of the side (male) and the other 3 sprouted out of the top/bottom (female). Out of the 2 seeds that were potentially Male plants, 1 of them has shown sex and it is indeed a male. The other plant hasn’t shown sex yet but is very thin and doesn’t have many leaves, making me believe that it is indeed another Male.

I always see this question everywhere, "Can you tell if a seed is male or female?"

This has been a question that has become a very hot topic online these days. After a quick search, growers can find multiple charts and explanations on how to sex cannabis seeds.

Growers know that hermaphrodite plants can be just as harmful to crops as male plants. Therefore, it’s very important that every grower understand how to sex marijuana plants. Particularly if they’re not using feminized marijuana seeds that will give them only females.

Can you determine the sex of cannabis seeds?

So where do all the myths from sexing cannabis seeds come from?

MSNL Team / 19th July 2018

MSNL Team / 3rd February 2017