A common germination method for cannabis is to soak the seed overnight in a glass of water that is at room temperature because this triggers hormones that Germinating pot seeds in water is very simple and effective method especially for seeds with a harder shell or older seeds. Here are all the steps for germinating weed seeds in water How to germinate cannabis seeds? In a cup of water, On a damp surface or In soil. My favorite way of germinating weed seeds is to put them in a cup of water.
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Pre-Soaking in Water Germination Technique
A common germination method for cannabis is to soak the seed overnight in a glass of water that is at room temperature because this triggers hormones that signal the cells to start germinating.
Be sure not to leave the seeds in the water for more than 24 hours, as this will cause the seeds to become deprived of oxygen, drown and rot.
After you have allowed the seeds to soak, you will then remove the seeds from the glass of water and place them either in a:
- Moist Paper Towel
- Light Soilless Mix
- Any Other Growing Medium
You will then need to place the seeds in a location that is warm in temperature, about 70 – 90°F (21 – 32°C) and be sure to keep the towel or growing medium moist, not soggy wet.
If you over-soak the growing medium, be sure to drain off as much as possible to keep the seed from drowning. Within several days you will begin to see the sprout coming out of the seed if you are using the paper towel or cheesecloth.
If you are using another growing medium for germination, you will have to wait and see. When using the other growing mediums for germination, be sure not to dig, or open up the growing medium to ‘see’ if it is sprouting. If you do this, you run the risk of injuring the sprouting seed.
If there is fungus beginning to develop where the seeds are germinating, you may mist the medium with a very mild two-percent bleach or fungicide solution. Any more and you risk damaging or killing your seed.
Once the seed has developed its white sprout, you may now very carefully pick up the sprout and plant it. Be sure to have the growing medium that you plan to use to plant in, is prepared and ready to go, as the small rootlet is very sensitive to prolonged and intense air and light.
If you are planting the seedling into a soil mixture, cover the germinated seed with about 0.25 – 0.50 inches of fine soil or planting mixture with the white root tip pointing down.
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How to germinate cannabis seeds in water
There are many methods of germinating cannabis seeds. Some are less risky and less complicated than others, so choosing the right approach is very important. In this article, we will look at a simple and effective method – germination in a glass of water.
What do weed seeds need to germinate?
Water, heat and air (oxygen) are all that cannabis seeds need to come out of dormancy and sprout. Fertilizer, special hormones, and secret supplements are not necessary as Mother Nature provides the seeds with a stored food supply to usher them through the germination. Strong, viable seeds germinate in two to seven days. As the seed germinates, the seed’s protective shell splits open and a tiny white rootlet (taproot) pops out.
Germinating Weed Seeds in Water – Step by Step Guide
Germinating pot seeds in water is very simple and effective method that is highly recommended by FastBuds Seeds Company. This method is especially effective for seeds with a harder shell or older seeds. Here are all the steps for germinating pot seeds in water:
- Get a glass of water.
You can use tap water or distilled water, whichever one you prefer. Just make sure to leave the glass of water at room temperature first. Do not use hot or cold water. Hot water can easily damage your seeds. Ideal temperature is around 21-26 C.
- Place the seeds in the glass.
At first, seeds will often float on the surface. They should sink to the bottom of the container after a couple of hours. Soaking ensures that water penetrates the protective shell to activate growth hormones.
- Place the glass in a dark warm place and let the seeds soak.
After a couple of days, you should see the radicle. Remember that some seeds may need longer until you see the radicle coming out. If they have not sprouted after 72 hours, add a few drops of hydrogen peroxide to kill accumulated bacteria in the water and return to the darkness for 2 more days.
- Plant your germinated seeds.
When the taproot is around 2-3mm long, carefully get seeds out of the glass and plant them in soil. Make a 0.5-1cm deep hole in the soil, place your seed root pointing down and cover it with more soil. Lightly spray the area.
As you can see, germinating weed seeds in water is a super simple process. Now that you know the basics of germinating cannabis seeds in water it’s time to buy a few seeds and try out the process yourself. If you’re looking for high-quality seeds, head on over to Herbies where you can find viable, vigorous, and fast-growing seeds from a variety of seedbanks from around the world.
What kind of water should I use for cannabis seeds germination?
While you can always use tap water to germinate your seeds, using distilled or purified water can help you avoid any harmful substances that may be found in tap water, such as heavy minerals.
For how long do you leave cannabis seeds in water to germinate?
Usually it takes around 72 hours for the seeds to germinate. If the seeds haven’t sprouted in that time, you can add a few drops of hydrogen peroxide and leave them for another 2 days.
Can I germinate autoflower cannabis seeds in water?
Absolutely, you can. No matter what type of seeds you’ve purchased the germination process will be the same.
What if pot seeds float in water during germination?
Seeds that sink by soaking in water are generally considered as viable seeds, and those that don’t sink even after 24 hours of soaking are probably dead and hollow on the inside.
What water pH is best for the germination of weed seeds?
The perfect pH for cannabis seed germination is between 5.5-6.0.
Should I use hydrogen peroxide in water to germinate pot seeds?
According to recent studies, hydrogen peroxide solution is thought to increase germination rates and is therefore considered an effective medium for germination. Sprouting your seeds in a glass of water with a tablespoon of hydrogen peroxide mixed in can help sprout the seeds more efficiently as the solution breaks down the seed coat and allows more oxygen to get inside.
Should I use fertilizers or special hormones to germinate marijuana seeds in water?
Using special hormones or fertilizers to germinate weed seeds in water is not necessary.
Germination of Cannabis Seeds
You bought beautiful Premium Pro Seeds from Suzy Seeds and of course, you want to get started. First, you have to germinate the seeds. Below, I will discuss my favorite way how to germinate cannabis seeds extensively, but also suggest other good methods. Suzy Seeds exclusively sells feminized cannabis seeds, so you don’t need to remove male plants, which applies also to autoflower cannabis seeds. It’s good to know that a cannabis seed does not need light to germinate. What is important, though, is a humid environment and an ambient temperature of around 20 °C. In general, there are three ways to germinate cannabis or marijuana seeds:
– In a cup of water
– On a damp surface
– In soil
How long does it take cannabis seeds to germinate in general? Or how do we germinate autoflowering seeds? The time of germination of marijuana seeds depends on the method of germination we apply, but autoflowering seeds germinate in the same way and time as feminized or regular cannabis seeds.
My favorite way to germinate the seeds is to put them in a cup of water and then between a damp paper towel or tissue. This goes well in 99% of the cases. That is why I will more extensively describe this first way.
We recommend not to touch the seeds or the seedlings with your hands. If you do anyways, make sure your hands are clean and if possible use plastic gloves.
Suzy’s Tip: Try your germintion method on a couple of seeds (maximum 3). This way, you can test if your method works well. Often a wrong germinating method is used and the seeds don’t germinate. Do you want to germinate your seeds in a different way? Continue reading.
Germinating cannabis seeds in a cup of water
Maintain an ambient temperature of at least 20 °C, otherwise, the seeds will not or at least not optimally germinate. Use a clean room and area for the germination process. Fill a cup with water and put the cannabis seeds in it. After 3 to 5 days, the seeds should pop open and a tiny root should come out.
As soon as the sprout is 2 to 3 mm, you can carefully get the seeds out of the water and plant them in the soil. Planting the germinated seed has to be done with lots of care and attention. Put them 0.5 to 1 cm in the soil with the root down. This way, the root (the white sprout) will more easily grow downwards.
Germinating cannabis seeds on a damp surface
Maintain an ambient temperature of at least 20 °C, otherwise, the seeds will not or at least not optimally germinate. Put the cannabis seeds on a surface that holds moisture, like wadding, paper towel or tissues on a saucer. Moisten the surface well, but avoid making it too wet. The moisture evaporates quickly at room temperature, so check during the period that the seeds will germinate if the surface is still damp enough.
You can also cover the seeds with damp wadding or tissues and another saucer on top. Because of the moisture that gets into the seeds, they are activated and start to germinate. As soon as the germ is 2 to 3 mm, you can carefully get the seeds out of the water and plant them in the soil. Put them 0.5 to 1 cm in the soil with the root down. This way, the root will more easily grow downwards.
Germinating cannabis seeds in soil/compost
Direct germination of marijuana seeds in the soil is a commonly used method. You don’t have to handle the fragile plant, so it is not disturbed in its growth process. However, the chances that the seeds will germinate are lower than when applying the other methods. When using this method, it is important to use good soil. You can inform yourself about the different types of soil at your local grow shop. Maintain an ambient temperature of at least 20 °C, otherwise, the seeds will not or not optimally germinate. Put the cannabis seed about 1 cm deep in the soil. Cover the hole with some soil and gently press.
The soil needs to be light so that the plant can easily grow to the surface. Solid soil is hard to penetrate for the roots and will cause a delay. The weed seeds will germinate under the ground and will come to the surface after 4 to 10 days. There are also more germination methods that can be applied.