How to buy or produce your own feminized seeds

There are two main ways to feminize cannabis seeds. This guide compiles the best tips and information on how to feminize seeds at home

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Isn’t a cannabis seed just a seed? Aren’t they all the same? Nope! Only female cannabis seeds will produce plants with buds. Their male counterparts are simply hemp plants and have no real consumption benefits. So, if you are looking to grow your own cannabis plant you’ll need female seeds. 

If you have a mix of unfeminized and feminized seeds, you must wait until the plants flower before being able to identify the sex. At this point, many cannabis growers will discard the male plants and keep active females. This is why people typically prefer to purchase feminized seeds – it cuts out extra work. Unless you’re trying to create your own breeding plan or business, it’s easier to let the professionals do the work and purchase already feminized seeds. But if you’re curious, here’s how you can feminize seeds at home.

How can I tell if I’m buying feminized seeds?

It’s nearly impossible to tell the difference between feminized and unfeminized seeds. It’s important to research before you buy. Try to find a reputable producer that knows how to properly feminize weed seeds. Opt for a seller that uses a process to chemically ensure the seeds are female without harming any genetic information. Going this route will save the time and effort required to research and screen seeds.

Feminizing methods

You have two main options when it comes to feminizing marijuana seeds. First, you can force a female plant to pollinate naturally by adding stressors into the plant’s environment. It will feel threatened and self-pollinate to support its lineage. Essentially, the once-female plant turns into a hermaphrodite to ensure its genetic information survives. While this method works, you’re likely to yield some intersexual seeds. Be careful because hermaphrodite seeds can throw off your entire breeding program. Don’t let the hermaphrodites near any female plants that you want to produce buds. They will act like males and pollinate your plants – leaving you with more seeds and no potential buds!

Chemicals can also be used to feminize marijuana seeds. Colloidal silver – a liquid with suspended silver particles – is a popular choice. It was initially designed as a medical solution but is now primarily used in the cannabis industry.

Both methods are viable, but chemically inducing feminization will allow you to yield the most consistent results. Using colloidal silver is great because it protects a plant’s genetics and doesn’t require self-pollination. The less drastic changes a plant goes through, the stronger its genetics will be.

How to do it at home

Our preferred method to feminize seeds involves colloidal silver. Your first order of business is to source two female plants with strong genetics. One of these plants will be treated with the colloidal silver to produce sacs of male pollen.

You’ll need:

  • Two female marijuana plants
  • Colloidal silver with a minimum of 30 PPM of silver (health food store)
  • A small spray bottle
  • A storage container

Steps

  1. Prepare a spray bottle with your colloidal silver solution.
  2. Once your plant is about to flower, spray the colloidal solution on the plant’s leaves until saturation.
  3. Repeat this daily for two to three weeks until sacs of male pollen begin to form.
  4. Discard any buds that have formed on your sprayed plant.
  5. Remove the pollen sacs from the plant then set them aside to dry away from your second plant.
  6. Carefully empty the sacs of pollen and collect it in a container.
  7. Pollinate the remaining plant using your preferred method. Ideally, you should do this when the second female plant is roughly two to three weeks into flowering.
  8. Wait approximately six weeks then harvest your feminized seeds. The calyxes on the plant should look full and ready to burst!

Takeaways

If you’re willing to put in the effort, you can feminize weed seeds at home. We recommend using colloidal silver to produce feminized seeds over intersex females. Our instructions will help guide you through the process and ensure you have feminized seeds ready to go in under three months.

For those who are less patient, be wary when shopping for seeds. Now that you understand how to feminize seeds yourself, don’t be afraid to ask questions. Seed producers should know what they are talking about. If not, steer clear! You don’t want any hermaphrodite or male seeds in your collection if you’re hoping to harvest cannabis buds.

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