Many people choose to use peat pellets, starter cubes, and seedling plugs when germinating weed seeds. You can buy starter cubes and seedling plugs if you are starting out. Many of them consist of micronutrients to promote root growth. Each one already has a hole made for a single seed.
Keep things dark but turn on your grow lights at the first sign of sprouting. Once the seeds have sprouted, you will need to provide plenty of light. Preferably, they should receive it 18 hours a day.
Place the seed inside the hole and cover it up. Then, you can add some water. The packaging should have instructions on how much water to add. The weed seeds can take anywhere from two to five days to finish germinating.
Wet Paper Towels (recommended)
Other than drying out over time, one disadvantage of the paper towel method is that there is a chance of hurting the taproot. Be careful when checking on the seeds, and do not move them too much.
Some general tips for germinating cannabis seeds include:
The life of a cannabis plant begins in the germination stage. It finally starts to sprout after a period of being dormant. Even a seed that is a few years old can become a thriving plant. Growers need to provide special care when trying to germinate weed seeds – like they do with any growing plant.
Another way of germinating cannabis seeds is by using wet paper towels. The best type of paper towel to use is the cheap kind. It may seem strange, but the cheaper ones tend to be non-porous. Non-porous is preferable since the newly sprouted roots will not grow into or get stuck to the paper towel. So, you can save a bit of money.
If buying from a reputable breeder or seed bank, growing from seed is the best way to ensure your plants will have solid genetics and start clean, meaning they won’t come with diseases or pests.
You might also find a mature seed that has been physically damaged through poor handling, like rough trimming. In those cases, it probably isn’t worth the effort to try and germinate the seed.
How weed clones work
Autoflowers don’t need lots of nutrients because they’re small and don’t spend much time in the vegetative cycle. They won’t need as much veg nutrients—such as nitrogen—but will need more bloom nutrients.
Once you see the taproot, it’s time to transfer your germinated seed into its growing medium, such as soil.
Autoflowering seeds are also popular with beginning growers. They are easy to grow because you don’t have to worry about light cycles and how much light a plant receives.
While many plants can be germinated in the ground, cannabis seeds are fragile enough that you should germinate them before planting.
Soil is an easy, more natural method with which to germinate your cannabis seeds because the soil protects the fragile roots from any interference. Photo by: Gina Coleman/Weedmaps
Whether you’re planning an indoor cultivation or outdoor grow, it’s best to germinate your seeds indoors. It’s easier to maintain proper temperature, light exposure, and moisture inside, and you can protect your seeds from the elements. Indoor germination, whether using soil or paper towels, will ensure your cannabis seeds have the best chance for survival.
How do you germinate seeds indoors?
Lay one paper towel on top of a countertop, place a few seeds, and cover them with a second paper towel. Photo by: Gina Coleman/Weedmaps
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
Germination itself is a crucial aspect of cannabis cultivation. The seed germination process is the foundation of every marijuana plant, and steps can be taken to boost successful popping. For example, some cultivators improve germination attempts by soaking seeds in 1% hydrogen peroxide or a compost tea for 12 hours beforehand to kill any dangerous pests.
The environment in which seeds germinate also plays a role in the outcome. While there are several different germination methods, each requires proper moisture, minimal handling, and warm springtime temperatures between 68-72 degrees Fahrenheit.