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Cannabis sexing – How to Determine the Sex of a Marijuana Plant

cannabis sexing

Cannabis sexing is a common term within the marijuana industry that most people don’t know about. It basically refers to a process of deterring sex of a cannabis plant.

If you ever decide to grow your own plants, you will have to know a lot about sexes and how reproduction occurs. Like with human species, we have males, females, and hermaphrodites. However, unlike us, there is a much higher chance for a hermaphrodite to appear.

You will need to make a lot of changes in your garden based on the sex of your plants. For example, it is very important to isolate female from male weed seeds. If you leave them together, pollination will occur, which will lead to the creation of seeds instead of buds.

Be proactive with cannabis sexing

You also need to be proactive when it comes to cannabis sexing; make sure to check your plant each day as the start forming sexual characteristics. 

Although you can mix them together, most cannabis growers prefer separating the two. In fact, a lot of them will start pulling out male plants as they notice them.

This is why cannabis companies usually sell packages of feminized seeds as a way of preventing potential issues and accidental pollination.

You can also perform cloning. It is a bit of an advanced method, but it doesn’t take too much time to master. 

Sexing marijuana isn’t that hard anyway. Still, it is one of the crucial processes that every grower needs to know. It will help you in developing certain strains, creating seeds, or growing sinsemilla.

Here is how to do it!

Female or male seeds? Tips that will help you perform marijuana sexing

A cannabis grower can determine the sex of a plant-based on what’s growing on it. To be precise, there are small areas between branches and stalks where either pollen sacs or stigma will form.

If pollen sacs start developing, this is a clear sign that a cannabis plant is male. On the other hand, stigma is normal for females. During the process of pollination, sacs will eject seeds which are then caught by female organs. It is very important to determine plants’ sex as soon as possible, as this will allow you to modify your growing strategy accordingly.

Experienced marijuana growers will look for signs of pre-flowers. They begin developing rather early; after 4 weeks or so. This might be a bit longer, depending on cannabis type and strain. No matter what, you should be able to determine plants’ sex after the first 6 weeks.

Unfortunately, these pre-flowers can be really tinny. You will probably need to buy a lens before you start growing marijuana. Just make sure to check previously mentioned areas for any signs of a change. You can easily recognize small sacs that are common for males.

Females produce strings of white hair. There are also some other methods to do this, but we suggest that you stick with this process (especially important for those who don’t have enough experience).

If you do decide to remove male cannabis plants, make sure to do it as soon as possible. This will prevent pollination but will also free up more space for your females, thus giving you a bigger overall yield.

What do I need to know about hermaphrodites?

Lastly, we need to say a few words about cannabis hermaphrodites.

Basically, these are plants that are able to develop both sets of sex organs. The interesting thing about this sex is that it’s able to pollinate itself. Still, it is much better to avoid having it.

There are lots of different reasons why a plant becomes hermaphrodite. This may include things such as:

  • Serious damage to a plant
  • Bad weather condition
  • Diseases
  • Lack of nutrients

It is also worth mentioning that there are two types of hermaphrodites. One type is able to develop both sets of sexual characteristics. The second type produces anthers.

You will have to pay close attention to hermaphrodites. You can easily categorize a plant as a male or female, only to discover later on that it was actually a hermaphrodite. A cannabis grower will have to pay a lot of attention to plants that are potentially under duress.

For example, plants with broken branches or plants that were exposed to excess humidity can easily turn to hermaphrodites. In fact, a whole section of your garden can turn hermaphrodite.

The appearance of hermaphrodites may also be caused due to bad genetics.

What do you think?


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