How to germinate weed seeds in a cup of water

Germinate Seeds in cup of water.

I was going to just put my seeds in a cup of room temp water to germinate. But ive read that this is not a good idea, because if the seed is in the water for over 24hours it gets no oxygen. Causing the seed to not crack open. Has any one had success with this method? It seems like an easier way then the paper towel method

norcaliiguy
Active Member
tea tree
Well-Known Member

THis is the only method I use. I let them soak until I see a long taproot. I used to just wait until I saw a taproot crack, in say 18hours, but the last few seeds I just let go a coupke of days and let these mega taproots grow. I then popped them into rapid rooters and a day later I have advanced seedlings rooted and fine. I am pleased. The paper towel method is bad, it means that little root hairs will get stuck to the paper towel and get stressed or damaged and also their is so much that can go wrong there and the worry over heat and cold is there where as with the cup of water nothing ever goes wrong. Hot or cold it always works.

DoeEyed
Well-Known Member

tea tree, what percentage rate of germination do you get doing that? Have you had any seeds drown doing it this way?

Mdot923
Active Member

THis is the only method I use. I let them soak until I see a long taproot. I used to just wait until I saw a taproot crack, in say 18hours, but the last few seeds I just let go a coupke of days and let these mega taproots grow. I then popped them into rapid rooters and a day later I have advanced seedlings rooted and fine. I am pleased. The paper towel method is bad, it means that little root hairs will get stuck to the paper towel and get stressed or damaged and also their is so much that can go wrong there and the worry over heat and cold is there where as with the cup of water nothing ever goes wrong. Hot or cold it always works.

What is rapid rooters? Im new to growing with seeds sry. Is there a limit to how many i can put in a cup?

bubbastickyfingers
Active Member
tea tree
Well-Known Member

lol, ah a class. I get 100 percent germination this way. I had lost some seeds before using the paper towel or just popping them into media. No paper towel is needed with the cup of water. Just dark. I, in fact use plain tapwater straight from the faucet. Not cold not hot. Then place them in the dark. Traditional knowledge says that when they sink they are ready to go into soil, rapid rooter, rockwool, etc, etc. However, I dont mess with that and simply wait until I thinj the taproot is out far enough for how I feel that day, lol. That simple.

Rapid rooters are a gift from god. Or whoever it is that makes them. Very nice. Google `em. Very cheap and very handy. A coco peat or something material that is meant for hydro or soil. I have used them succesfully 100 percent of the time for both. No lie. They are also the perfect cloning medium.

When a seed has the taproot I use tweezers and place it into a rapid rooter cube or cone. Then I take a little peice of anything handy and gently cover the whole in the rapid rooter cube. The seed needs darl to keep sprouting and take root. After a day or two tops the seed will be poking out. Then just let it go.

Here it gets tricky about half the time. Because the seed does not half to push thru dirt the shell is usually stuck so a little very very very areful nuding is sometimes needed or the plant will die in the shell. It is Very obvious when this happens and what needs to be done and is actually pretty fun to do. SO dont stress. Also I like to put a clear plastic cup over the rapid roooter or the patch of dirt I bury the germed seed to keep the humidity up.

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Keep the rapid rooter soaked. Keep the dirt wet too. Whatever you use. Rapid rooters are impossible to overwater. If you sprout in dirt be careful and just wet the the toplaer so as the seed stays moist.

Mdot923
Active Member

lol, ah a class. I get 100 percent germination this way. I had lost some seeds before using the paper towel or just popping them into media. No paper towel is needed with the cup of water. Just dark. I, in fact use plain tapwater straight from the faucet. Not cold not hot. Then place them in the dark. Traditional knowledge says that when they sink they are ready to go into soil, rapid rooter, rockwool, etc, etc. However, I dont mess with that and simply wait until I thinj the taproot is out far enough for how I feel that day, lol. That simple.

Rapid rooters are a gift from god. Or whoever it is that makes them. Very nice. Google `em. Very cheap and very handy. A coco peat or something material that is meant for hydro or soil. I have used them succesfully 100 percent of the time for both. No lie. They are also the perfect cloning medium.

When a seed has the taproot I use tweezers and place it into a rapid rooter cube or cone. Then I take a little peice of anything handy and gently cover the whole in the rapid rooter cube. The seed needs darl to keep sprouting and take root. After a day or two tops the seed will be poking out. Then just let it go.

Here it gets tricky about half the time. Because the seed does not half to push thru dirt the shell is usually stuck so a little very very very areful nuding is sometimes needed or the plant will die in the shell. It is Very obvious when this happens and what needs to be done and is actually pretty fun to do. SO dont stress. Also I like to put a clear plastic cup over the rapid roooter or the patch of dirt I bury the germed seed to keep the humidity up.

Keep the rapid rooter soaked. Keep the dirt wet too. Whatever you use. Rapid rooters are impossible to overwater. If you sprout in dirt be careful and just wet the the toplaer so as the seed stays moist.

How to germinate cannabis seeds

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.

What is germination?

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.

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

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When a seed enters an environment with enough moisture, it will increase in size and slowly break out of its shell. A seedling or germ forms from which roots will emerge, helping the baby plant absorb nutrients from the soil. Seeds naturally develop roots facing down and stems stretching upward, allowing the young cannabis plant to simultaneously feed off light and earth.

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It’s essential to acquire high-quality cannabis seeds for germination, as these will go on to become high-quality cannabis plants. Seeds that are fresh-feeling or too green indicate that they haven’t reached full maturity, while pale-green, white, or very dark cannabis seeds may have trouble sprouting. However, it’s tricky to know the outcome of a popped seed, so trying may be worthwhile. If you’re not ready to pop your seeds yet, store them in a dark, cool place until it’s time for germination.

Preparing to germinate cannabis seeds

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.

How to germinate cannabis seeds

The best germination method depends on the cultivator’s choice. Here are some of the most common ways to pop your cannabis seeds.

How to germinate seeds in soil

Soil is an easy, more natural method with which to germinate your cannabis seeds. The soil protects the fragile roots from any interference, and soil is, after all, where a cannabis plant would grow in the wild.

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

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First, make sure you use the correct type of soil, either gently fertilized potting soil or a seed starter with a pH level of approximately six (6). The soil contains the right acidity and enough nutrients to strengthen your young cannabis plants for the first two weeks. Be careful not to add more nutrients, or you risk overfeeding and killing your seeds.

Place the soil in a small pot and use your finger or a pencil to push a small hole in the dirt, a bit more than half an inch deep. Insert the seed into the hole and bury it with soil. From this point on, don’t touch your seed. The young plant is fragile and knows how to position itself in the soil bed.

Gently water the soil with a spray bottle and situate your pots under a fluorescent lamp. Keep seeds away from the windowsill, as the temperature is too volatile for germination. In general, you’ll want to keep the temperature in the range of 70 to 80 degrees Fahrenheit.

Monitor your soil every day and keep it moist. Within four to seven days, you should see tiny stems sprouting from the soil.

When the seedling stems reach two to four inches in height, it’s time to transplant your cannabis into larger pots with more room for roots to spread down and out. After you’ve done this, you’ve successfully germinated your cannabis seeds into proper, young plants.

How to germinate seeds in water

You can also germinate your seeds by placing them in water. It’s slightly faster than the soil method, but you need to adjust your environmental factors accordingly. Remember, successfully germinating seeds requires a perfect balance of ideal growing conditions. When germinating in water, seeds need only 24-48 hours to pop their stems, though cultivators can keep them soaking for up to a week as needed. Water germination is faster because the seed gets all the moisture it needs immediately, and the shell softens and cracks more easily after soaking.

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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.

The seeds should start sprouting in about two days, though older seeds can take up to a week to sprout. You can remove them from the water and place them in the soil at any point once they’ve sprouted. Once the roots are about five millimeters long, they need to be planted.

The downside of water germination is that once they’ve popped, you’ll need to maneuver them into their growing medium manually. This is a delicate process, as germinating seeds are extra fragile, and any harm risks the development of your plants. Make sure to place the seed roots down in the soil when you transfer to a pot.

How to germinate seeds using paper towels

The paper towel method is also a common way cultivators pop their seeds. Some even use this method with cotton pads instead of paper towels, but the necessary steps are the same.

To germinate seeds this way, lay one paper towel on top of a countertop, place a few seeds, and cover them with a second paper towel.

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

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Use a spray bottle to moisten the paper towels and then store the cushioned seeds between two plates, under a face-down bowl, or gently place them in a plastic bag. Maintain a temperature of about 72 degrees Fahrenheit, keeping the paper towel wrapped seeds in the dark and away from a windowsill. In two to five days, the seeds will pop inside the paper towel sandwich and emit tiny roots, ready to plant when they reach about five millimeters in length.

Use a spray bottle to moisten the paper towels and then store the cushioned seeds between two plates, under a face-down bowl, or gently place them in a plastic bag. Photo by: Gina Coleman/Weedmaps

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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.

How do you germinate seeds indoors?

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.

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.

Do you need to germinate seeds before planting?

While many plants can be germinated in the ground, cannabis seeds are fragile enough that you should germinate them before planting.

Once your seeds have sprouted roots, they should be planted in soil, a soil-less medium, or in your hydroponic setup. Make sure not touch the root, caring for and navigating the seedling so that the roots face downward. Plant the seed about one inch deep in your growing medium, cover lightly, and allow for about a week for the seed to emerge from the soil. If the seed hasn’t poked through by day ten, it likely didn’t survive.