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how to germinate weed seeds in plastic bag

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.

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

To employ water germination, fill a glass with tap water and let it sit until it reaches room temperature or around 65 degrees Fahrenheit. Add two to three plant seeds per cup and allow them to sit, watching for any changes. Change the water to fresh tap water every two days, making sure it stays at room temperature.

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So, you’ve decided to grow your own cannabis plants. You purchased a pack of seeds, assembled cultivation materials, cleared a space in your garden, and are ready to grow your first cannabis crop . With everything in hand, it’s time to begin the very first step of cannabis cultivation : germinating seeds.

Germination is the first stage of the cannabis growth cycle : the process that brings a cannabis seed out of its hibernation period and starts the cannabis growth process. After all, seeds in a bag don’t spontaneously start developing roots. Also known as “popping” seeds, seed germination begins when a seed receives environmental cues letting it know the setting is perfect to start growth.

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.

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.

Check the seeds every two days until the seeds begin to swell and the first short sprouts emerge. Sow the seeds immediately in a pot or prepared garden bed at the depth and spacing recommended on the seed package once they begin to sprout.

Small seedlings can prove challenging to sprout in the garden bed, since watering or rain may wash them away before they germinate. Growing the seeds in advance inside a plastic bag prevents this issue and helps speed germination. Plastic bag sprouting also allows you to test germination rates, which is vital if you are using saved garden seed or old seed from previous years. Germination time varies depending on the plant variety, but most sprout within three to 14 days.

Slide the paper towel into a plastic zip-top bag. Seal the bag closed to trap the moisture and prevent the towel from drying out.

Things You Will Need

Stack two paper towels on top of each other. Fold the towels in half and sprinkle them with water until they are completely moistened but not dripping wet.

Spread the seeds out on top the paper towel, covering only half the towel with seeds. Space the seeds so they are not touching and there is about 1/4-inch of space around each seed.

Fold the damp towel in half, sandwiching the seeds between the towels. Press lightly on top the towel so the seeds are in full contact with the towels on both sides.

Plastic zip-top bag

An another great way to germinate cannabis seeds is to use a seedkit. For an excellent explanation of how to use the seedkit, go to Zambeza Seeds.

Growing cannabis from seeds is no more difficult than growing any other plant. It doesn’t take a magic touch or a green thumb, and it doesn’t require special knowledge of horticulture.

Check the seeds daily to make sure that the paper towels have not dried. When they begin to dry, simply pour more water on them and squeeze it out gently. Do not let standing water accumulate in the bag or plate you have placed them in. This process should take between five to twelve days. Sometime in that period, you will see the seed casing burst, and a small but strong root will emerge.

The Straight-To-Soil Method

Growing cannabis from seeds is no more difficult than growing any other plant. It doesn’t take a magic touch or a green thumb, and it doesn’t require special knowledge of horticulture. For many reasons, growing cannabis plants from seed is a better, more reliable route to success than growing cannabis plants from clones, and the road to healthy plants yielding high-quality buds begins with the germination of the seeds.

If you’ve never grown any kind of plant before, germination is simply a term for the sprouting and initial growth of a seed. Every plant seed, though tiny, hard and dry in appearance, harbors a delicate plant embryo, water, and even stored food. All it needs is a jump start from you to sprout and begin its life, and there are several different methods for doing this. Each method can be successful, and you may decide to try one or two and see which technique brings you the best results. Think of it as a really fun science experiment, with the ultimate grand prize being a healthy, hearty cannabis plant.

Wherever you live, the springtime is when you see incredible plant growth and new, green life sprouting up all around you. The key to successful cannabis seed germination is to replicate a spring-like condition for the seeds, inducing them to vegetate. This means that seeds should be moist but not soaked, and warm but not hot.

There are a few other substances that can be successful mediums for germinating cannabis seeds, and the technique used with any of these substances is the same as the soil method. Rockwool is a matted fiber material that is favored for its porous nature, and seedlings can be planted directly into it for germination. It can be purchased inready-made cubes for easy planting, and is readily available in home improvement stores.