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How To Germinate Cannabis Seeds?

How to Germinate Cannabis Seeds?
Cannabis 101
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If you want to start cultivating your own cannabis plants, you must first consider the step of how to germinate cannabis seeds? Proper germination is the foundation for a successful cultivation journey ensuring that your plants are healthy.

Why Proper Germination Matters?

Germination is the process by which a cannabis seed sprouts and begins to develop into a seedling. If you can successfully germinate your seeds, you lay a strong foundation for healthy cannabis plants which increases the likelihood of a bountiful harvest. Successful germination is the starting point that determines the entire growth cycle and will save you time and resources in the long term by avoiding failed seed growth. When germination is done right, it enables growers to select the strongest and healthiest seedlings to grow into a healthy cannabis plant.

As we explore the various germination methods, you may want to keep in mind that while there are different approaches for successful germination, the goal is ultimately to encourage seeds to sprout and give them the best start in life.

The Methods to Germinate Cannabis Seeds:

1. Using a Paper Towel to Germinate Cannabis Seeds

This method is one of the most popular and reliable methods for germinating your cannabis seeds.


  • Cannabis seeds
  • Two paper towels
  • Distilled water
  • Two plates


  • Moisten one of the paper towels with distilled water, ensuring it’s damp but don’t over soak if you can avoid it.
  • Place the damp paper towel on a plate and gently place the cannabis seeds on the damp paper towel being careful to space them apart.
  • Cover the seeds with the second paper towel.
  • Place the second plate on top
  • Store the plates in a warm, dark place.
  • Check on your seeds to see if they have sprouted, this typically takes 48-72 hours.
  • Once the seeds have sprouted and developed a small taproot (¼-½ inch in size) then they are ready for transplanting.

2. Planting Cannabis Seeds Directly into Soil

Another option is to germinate seeds by planting marijuana seeds directly in soil.


  • Cannabis seeds
  • Pots or containers
  • Quality potting soil
  • Watering can or spray bottle


  • Fill your pots or containers with the chosen potting soil, leaving holes for your seeds.
  • Place the cannabis seed in the holes.
  • Cover the seed with a thin layer of soil.
  • Water the soil to ensure it is moist but not over watered.
  • Place the pots in a warm and dark place.
  • Keep the soil damp.
  • Once the seedlings have sprouted and developed their first set of leaves then you can transplant them into larger containers.

3. Using Germination Cubes or Germination Starter Plugs

Germination cubes or starter plugs are designed for seed starting, without the use of soil.


  • Cannabis seeds
  • Germination cubes or starter plugs
  • A tray or container
  • Distilled water


  • Moisten the germination cubes or starter plugs with distilled water.
  • Make a small hole in the centre of each cube or plug.
  • Place a cannabis seed in each hole.
  • Cover the seed with the medium according to the manufacturer’s instructions.
  • Place the cubes or plugs in a tray or container and store them in a warm, dark place such as a cupboard.
  • Once the seedlings have sprouted you can transplant them into bigger pots.
Growing Cannabis Seeds
Cannabis at early stages of growth.

4. Germinating Marijuana Seeds in a Glass of Water

This method involves placing marijuana seeds in a glass of water and letting them soak until they sprout.


  • Cannabis seeds
  • A glass of water (room temperature)


  • Fill a glass with water – not too hot and not too cold.
  • Put the cannabis seeds into the water.
  • Place the glass in a warm and dark location.
  • Keep checking the seeds until they sprout and develop a taproot (1/4 to 1/2 inch long) which usually takes around 48-72 hrs.
  • Transplant your seeds

Top Tips on How to Germinate Cannabis Seeds

Consider the following tips to increase your chance of successfully germinating your cannabis seeds:

  • Quality Seeds: Start with high quality cannabis seeds from well known cannabis seed brands.
  • Temperature and Humidity: Keep in a consistently warm location (without fluctuating temperatures) and a consistent humidity. This should ideally remain at between 40-60%.
  • Light: Keep the germinating seeds away from direct sunlight, store in a dark place.

As discussed, germination is the starting point to a cannabis plants life. Proper germination ensures that you have healthy seedlings which should set a good foundation for your plants to continue to thrive throughout their life cycle.

As you start your cannabis cultivation journey it is important to remember the significance of germination and providing your seeds with the ideal conditions for growth. There are many methods and it requires a little patience, but at the end of it you will be rewarded with healthy plants.

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