Germinate Weed Seeds In Water Cup

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Curious how to germinate weed seeds? Check the best way to germinate cannabis seeds! A helpful step-by-step guide for a successful germination! With various methods on how to germinate marijuana seeds for beginner and advanced technique, it all just comes to your preference on what type to use. 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…

Germinating Weed Seeds Guide: How to Germinate Weed Seeds?

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.

The early development stage requires things like warmth and a gentle touch. You can approach germination in multiple ways. A couple of them are better than others. This article will provide you tips and other helpful information on how to germinate weed seeds. Soon, you will have many healthy cannabis plants growing.

Basic Rules for Germinating Weed Seeds

Some general tips for germinating cannabis seeds include:

  • Dampness. Water helps let the seeds know that it is time to start sprouting. Do not let them dry up, and do not soak them a lot. Think of the conditions you see in the spring. Many cannabis plants start to grow during this season in the wild. If you have hard seeds, you can soak them for 24-32 hours, but no longer than that.
  • Warmth. Warmth also signals that it is time to sprout when combined with moisture. Cannabis seedlings thrive in warmer temperatures. During the germination process, try to keep the temperature around 75 to 80 degrees Fahrenheit. If needed, you can use an incandescent bulb or two to achieve this.
  • Patience. Weed seedlings are fragile at first. Not only do you have to make sure they have access to water, but they also need to be left alone for the most part. At least, they should be at peace until the taproot emerges.
  • Careful. While the young seedlings should be at peace, it is necessary to check on them occasionally. When you do, you should treat them extremely gently. The taproot can break off easily, so avoid touching the seed’s white root.

Do Cannabis Seeds Need a Light or Dark Environment for germination?

A person should meet several conditions when it comes to trying to germinate weed seeds. One condition is the amount of light the seeds need. While germinating, they do not need any light sources. You can keep them in a dark, warm environment during this stage to save on energy costs.

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.

How Long Does It Take for Cannabis Seeds to Germinate

Each cannabis seed is different. Some plants will finish their germination stage quickly, and others will take some time to sprout. On average, you can expect germination to last two to four days. Some growers end up waiting 48 to 72 hours. In some cases, a seed may take seven days to germinate. You usually do not need to wait longer than 10 days.

If it has been well over a week without any signs of a sprout, it is likely a dud. Germinating cannabis seeds requires patience. Keep in mind that the method you use can influence how long it takes.

How to Germinate Weed Seeds?

There is more than one way to germinate weed seeds. Each one comes with its benefits and disadvantages for growers. Common methods are:

Here is an explanation of each germination method.

Water (recommended)

While cannabis seeds primarily need to remain moist, you can soak them in water overnight. All you need is a glass cup. Fill it with three-quarters of a cup of water that is filtered or pH neutral. Make sure the temperature is neither cold nor warm. The ideal temperature is lukewarm.

At first, the seeds will float, but they will sink to the bottom after a few hours. Carefully push them down if they are still floating. You can leave the cup in a kitchen cabinet or dark area. Keep the glass there overnight or for 18 to 36 hours. Try not to leave them soaking for more than 36 hours. If there are any seeds that have not finished germinating, leave them in a moist place until they sprout.

Soaking cannabis seeds in water is more advantageous for the ones with a harder shell. Older seeds can benefit from the method as well. The water helps wake them up, in a sense. Another benefit is that it is not as costly. All you need is a clean glass cup and some distilled water.

A disadvantage of soaking the seeds in a cup is that too much water can be damaging. The excess amount can rot the newly emerged root. Those that have not sprouted yet will drown if left soaking for too long.

The water method is effective for hard seeds but is time-sensitive. Not to mention, the steps are simple to do, and results can be quick.

Wet Paper Towels (recommended)

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.

Some people use paper towels right after the water soaking method to get the remaining seeds to germinate. You can use paper towels from the start as well. The first step is to dampen the paper towel and put it on a plate. Place the seeds on it before folding the paper towel over.

The paper towel can dry out, so put a bowl or another plate on top to trap the moisture. Alternatively, you can spray the towel every five hours to keep it wet. The process can last one to four days, so check periodically to see if the taproot appeared. If you have older seeds in the paper towel, you may end up waiting longer. Afterward, you can place the young seedling into a growing medium.

One benefit of the paper towel method is that you can leave sprouted seeds in the towel for a while longer. It allows other seeds to catch up, and you can plant them all at once. Otherwise, you can plant the germinated ones as soon as the taproot appears.

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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.

Jiffy Peat Pellets, Starter Cubes, and Seedling Plugs

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.

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.

Peat pellets, starter cubes, and seedling plugs are easy to use, which is beneficial for beginners. You do not have to worry about spending time for preparation. Another advantage is that you can transport the cubes with ease, especially if you use a tray.

The seedling plugs and cubes already come moist. However, the setback is they dry out over time. Once you open a package, you have over a week to use them. Many products do not provide less than 50 cubes. If you plan to germinate only a few seeds, you could end up wasting a lot of cubes. Therefore, this method can be less cost-effective than others.

Another common method is to put the cannabis seeds in some soil. In nature, they sprout their taproots in soil, so growers may choose to germinate them directly in the medium. Prepare fresh soil by putting them in a pot or a container. You may want to use a small pot and transfer the seed to a larger one later. Next, add enough water to make it damp but not soaked.

Make a small hole that is about half of an inch deep. If the hole is too deep, then the seedling may have a tough time reaching the surface. Cover it with soil and press down gently. Some people add a covering to keep the growing medium warm and moist. Kitchen foil or plastic wrap can work. However, you will want to poke some holes to allow air to flow through. It can take about three to five days.

One benefit of the soil method is that transferring the seedling to a bigger pot is simple. The cannabis is less likely to become stressed and can adapt to the new environment quickly. A disadvantage would be needing to buy clean soil rather than using some from outside. Pathogens in the dirt can damage the young seedling. Soil density can be an issue with air flow, and growers need to be careful about the seed placement.

Rockwool

Some cannabis growers use Rockwool cubes to germinate weed seeds. The method requires some setup before you can plant the seeds. Start by filling a bowl with some water. Use some pH-balancing chemicals to bring the water down to around 5.5. You may need a test kit to measure the levels.

Next, place the cubes into the bowl and let them soak for one hour. After an hour, take the Rockwool out. They can maintain the correct water-to-air ratio, so it is important not to squeeze the cubes. Like regular starter cubes, Rockwool usually comes with holes already in them. If not, make one that is a quarter-inch deep. Carefully insert a seed and push them to the bottom. Cover the top of the hole and wait. The seedlings finish germination in an average of three days.

Rockwool comes with a few advantages. One is that the cubes are cheap and easy to find. They can hold plenty of moisture, and you do not have to worry about mold. Not to mention, they are convenient to use.

However, the Rockwool method also has some drawbacks. The material does not break down since it is not a natural substance. As a result, the cubes are not an eco-friendly option. Rockwool has poor germination rates, and it comes with a high pH level. The material also can affect your health. The Environmental Protection Agency found that the fibers in Rockwool can irritate the skin, eyes, nose, and throat. You may experience a sore throat or coughing.

Best way to germinate cannabis seeds

Growers will find that different methods work best for them. When it comes down to it, germinating cannabis seeds in water is the best way to go about it. You can get the taproot to emerge in hard and older seeds. Overall, putting water into a glass is cost-effective compared to buying starter cubes.

You only have to worry about making sure the seeds are not soaking for too long. The method is more effective when you follow it up with the paper towel method. Damp paper towels can help get any remaining weed seeds to sprout.

The Next Step

Now that you know how to germinate cannabis seeds, the next step is to plant the sprouted seedlings. You do not need much in terms of planting. For example, you will want a large enough pot and a plant sprayer. If you used incandescent bulbs to keep the seeds warm, switch them out for actual growing lights.

The plant should have a root length of 1.5-2.5 centimeters to avoid dying. Some young cannabis plants are delicate, so growers often plant them indoors first. Of course, you can move them outside at the end. Like with germination, planting requires plenty of patience.

Germinating Marijuana Seeds in a Water Cup

We have seen many methods of growing marijuana seeds. From the most basic to the advanced technique, cultivating marijuana is a well-loved hobby for beginners and experts alike. With various methods on how to germinate marijuana seeds, it all just comes to your preference on what type to use.

Why You Need to Germinate Marijuana Seeds

Marijuana germination is the procedure where a sprout breaks out of the seed’s coating. The sprout looks like a small white tendril and it is extremely delicate. It is the plant’s initial root and it is often referred to as the “taproot.” All the upcoming roots created by your marijuana plant will grow from the taproot. This means that the taproot is the building block of all your plant’s potential roots in the future.

The taproot, together with a few other tiny young offshoots around it – will grow and develop into longer and stronger roots. They will push the seed above the ground until the shell emerges from the surface of your growing medium and grow its first leaves known as the “cotyledons.”

These initial round leaves will sprout from the inside of the marijuana seed. The cotyledons developed as part of the plant embryo in the seed, which means there’s no need for the marijuana seedling to grow them. The sprouting first leaves are the ones that break open the shell after the taproot cracked it open.

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How to germinate marijuana seeds

Marijuana seeds need three things to achieve successful germination and these are heat, water, and air. Using these, you can perform the simplest and easiest technique to germinate your seeds. But first, you’ll need paper towels, two clean plates, and marijuana seeds.

Here’s the process of this germination technique:

  1. Take your paper towels and soak four sheets in the distilled water. The sheets should be saturated with water but they shouldn’t have any excess dripping water.
  2. Get two sheets of the saturated paper towel and place them on one plate. Then, arrange the seeds on top of the plate with at least one inch of space between them. After that, get the remaining sheets of paper and cover it on top of the seeds.
  3. You need to make a dark protected area for your seeds. You can do this by covering the top with the remaining plate. This will create a dome-like space for your seeds to germinate.
  4. Lastly, keep the area warm and follow the correct temperature between 70-90°F.

These are all the steps to germinate your marijuana seeds. Once you completed each step, you only need to wait.

Don’t be impatient because this stage is crucial for the overall growth of your plant. Make sure you check the paper towels from time to time. If the papers are starting to lose their moisture, spray a little amount of water. Maintaining the proper amount of moisture around your seeds will keep them healthy and happy.

Note: each seed has different germination speed. Some may take longer than the others and that’s normal. You can tell that your seed has germinated once it breaks and one sprout begins to emerge from it. This sprout is the taproot of your seeds and it will be its main stem. Once you see the taproot growing from the seeds, that’s the indication that your germination process is successful. By this point, refrain from touching the seed or the taproot since it can disrupt their development.

Proper Way of Transplanting Germinated Marijuana Seeds

When the germination stage passes and your marijuana seeds have grown their taproot, it’s time to transplant them to a growing medium of your choice. Just like how you treat your seeds during germination, you also need to be extremely careful when transplanting your little plants. Remember, they are not yet fully-grown which makes them powerless against stressful factors.

Follow the steps below to properly transplant your germinated marijuana seeds:

  1. Prepare the growing medium in which you will transfer your germinated seeds. You can start with small 2-inch pots since they are cheap and easy to access. What you need to do with the pots is to fill them with coarse and light potting soil. Then, place a hole in the middle, which is at least a quarter-inch down the soil using a pencil or pen.
  2. When your growing medium is ready, it is time to transfer the seeds. Using a pair of tweezers, slowly pick up the seeds and place them in your growing medium, specifically inside the hole. Make sure its taproot is facing downwards. Then, gently cover it with soil.
  3. Next, you need to water the soil using a spray bottle. This will provide moisture in all areas of the soil without the risk of drowning your seeds. Remember that you should only provide sufficient water to your seeds because overwatering them can kill the little sprout.
  4. Lastly, you need to check the moisture level and temperature of the soil to maintain the good condition of your seeds. After a week, you can expect the seedlings to start appearing in your growing medium.

Germinating Marijuana Seeds in a Water Cup

If you want a cool, new method to germinate your seeds, the following has a 100% success rate. Though the results may vary, just like what usually happens to the all-natural growing method, this one is easy which is perfect for first-time growers.

First, you need the following materials before you start:

  • 1 plate
  • a glass of distilled water
  • paper towel
  • tweezers
  • pill bottle

A little reminder before you start with the method is you should always use distilled water.

  1. Never utilize tap water because it carries impurities that might harm your seeds. Lastly, see to it that your germinating space is situated inside an enclosed room that has a temperature of 18 to 25 °C. The following are the steps to follow on how to germinate marijuana seeds in a water cup:
  2. Place your seeds inside a cup or glass of distilled water. Some will instantly drop to the bottom while others will float. Leave them for a few hours until their shell is penetrated with water and then push them to the bottom of the cup/glass using your fingertips. Allow the seeds to soak for 15 – 18 hours. The soaking process will moisten the shell of the seeds which makes it easy for them to germinate.
  3. Get a thick dye-free paper towel and place it on top of a plate. Place the soaked seeds in the paper towel and position them with enough spaces around each other. Fold the paper towel to envelop the seeds.
  4. Place it in a warm and dim area until the seeds start to crack. Make sure the seeds are well-moisturized so check it every 5-12 hours and use a spray bottle to add water onto it.
  5. Be patient. Seeds may take seven days or longer to germinate. Remember that each seed has a different germination phase.
  6. Once the taproot begins to appear, you can transplant your germinated sprouts to your desired growing medium. Make sure the taproot is facing downwards when you plant it.

Most marijuana seeds take 1 to 2 days to germinate, while others take a week. This depends on the thickness of their shells. Each seed has different features and physical characteristics, hence the difference during the germination process. If you follow all the steps of the germination method we mentioned above, you can expect 80% success rate.

Conclusion

Knowing the right way of germinating your marijuana seeds is vital in starting your weed production. You can choose from all the methods we have provided above. Just make sure that you give your plants everything it needs including food, light, and water. They should also be kept in a growing space with proper levels of humidity and temperature.

Establishing an ideal environment for your plants will help you avoid obstacles along the way. Above all, be organized and precise. Place your seedlings, seeds, and clones in a clear jar and label them. This will help you avoid confusion and expensive mistakes as you learn how to germinate marijuana seeds. Now go and get your pot production going!

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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.

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.

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