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best way to germinate cannabis seeds in water

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To germinate seeds indoors, use any of the methods described above. Within a few days, you’ll have popped seeds ready to transfer to a growing medium.

Gently water the soil with a spray bottle and situate your pots under a fluorescent lamp. Keep seeds away from the windowsill, as the temperature is too volatile for germination. In general, you’ll want to keep the temperature in the range of 70 to 80 degrees Fahrenheit.

Monitor your soil every day and keep it moist. Within four to seven days, you should see tiny stems sprouting from the soil.

How do you germinate seeds indoors?

The paper towel method also has its risk, as the fragile seedlings can be damaged during the potting process. The tiny roots can also get tangled in the paper towels, so make sure to move the seeds to potting soil before roots grow too long. Use your hands or tweezers to gently remove each seed from the paper towels and place them in a prepared growing medium.

When a seed enters an environment with enough moisture, it will increase in size and slowly break out of its shell. A seedling or germ forms from which roots will emerge, helping the baby plant absorb nutrients from the soil. Seeds naturally develop roots facing down and stems stretching upward, allowing the young cannabis plant to simultaneously feed off light and earth.

Germination is the process that brings a cannabis seed out of its hibernation period and starts the cannabis growth process. Photo by: Gina Coleman/Weedmaps

The seeds should start sprouting in about two days, though older seeds can take up to a week to sprout. You can remove them from the water and place them in the soil at any point once they’ve sprouted. Once the roots are about five millimeters long, they need to be planted.

Check out this method in action:

Step 3: Put the plugs into a square box or tray and cover it with a plastic dome. This ensures a high humidity environment, which increases germination success, and helps seedlings along after germination.

You’ve probably noticed by now that there are a few different methods you can choose to germinate your cannabis seeds.

4. Paper Towel Method

If you don’t plant deep enough, the seedling may dry out, or never become moist enough to germinate.

This method is as old-school as it gets, drop your seeds in some dirt, add water, and you’re done.

For soil/coco/etc., peat plugs generally fare better, but ultimately germination will be nearly identical for these two germination mediums.

As mentioned in the previous methods, seeds need water to germinate.