How to Germinate Marijuana Seeds

Planting seeds directly in the soil is a natural approach that mimics how cannabis grows in the wild. This method keeps the seed protected and undisturbed. However, it comes with less control—you won’t see the seed sprout, making it harder to identify weak or non-viable seeds. You also won’t be able to position the root for optimal growth.

Some growers prefer germinating seeds in a damp paper towel or soaking them in water. These methods allow you to monitor seed viability and ensure strong roots before planting.

However, handling germinated seeds can be tricky. The new roots are delicate and improper handling can cause damage. Some experts recommend using tweezers when transferring the seed to its growing medium.

This method allows seeds to germinate naturally in the soil where they will grow. While you won’t see the seed sprout, the root remains protected.

Steps:

1. Fill a small pot with lightly fertilized potting soil. Avoid adding extra nutrients at this stage.
2. Make a shallow hole about half an inch deep. Drop the seed in and lightly cover it with soil.
3. Use a spray bottle to moisten the soil. Avoid overwatering.
4. Place the pot under a fluorescent light or grow lamp. Keep the soil temperature around 72°F (22°C). Avoid window sills, as temperature fluctuations can disrupt germination.
5. Check daily to keep the soil moist. In 7 to 10 days, small stems should appear.
6. Once your seedlings grow, transfer them to larger containers to support further development.

This popular method is simple and effective. You’ll need two clean plates, fresh paper towels, and cannabis seeds.

Steps:

1. Soak four paper towel sheets with distilled water. They should be damp but not dripping.
2. Place two of the damp paper towels on a clean plate.
3. Space your cannabis seeds at least one inch apart on the paper towels.
4. Cover the seeds with the remaining two damp paper towels.
5. Flip the second plate upside down and place it over the first, creating a dome-like environment. This keeps seeds warm and protected.
6. Store the setup in a warm spot, between 70-90°F (21-32 °C). Check occasionally to ensure the paper towels stay moist.
7. Avoid touching the seeds. Some will sprout quickly, while others take a few days. Once you see a sprout, your seed is ready for planting.

This method helps seeds absorb moisture quickly, softening their shell and encouraging sprouting. Be careful not to oversaturate the seeds.

Steps:

1. Fill a glass with tap or filtered water and let it sit until it reaches room temperature, around 65°F (18°C).
2. Drop 2 to 3 seeds into the water, ensuring they have enough space.
3. Change the water every other day to keep it fresh and maintain a stable temperature.
4. In 2 to 4 days, the seeds should begin to expand and split. Some growers plant them after 24-48 hours, even before the roots appear.
5. Do not leave seeds submerged for more than 7 days, as this can cause oversaturation.
6. Once germinated, carefully transfer the seeds to soil or another growing medium to continue their development.