How To Germinate Cannabis Seeds With Hydrogen Peroxide

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It's hard to germinate old cannabis seeds, but with the right type of method your chances increase ten fold. Check out the Top 4 ways to get those seeds to Crack. Whatever method is used to germinate, specific important considerations must always be considered. Don't bury the seeds too deeply and do not oversaturate the medium with water.

4 Top Ways How to Germinate Old Cannabis Seeds so they Crack Open

You may have found some old cannabis seeds that you forgot about.

Or maybe haven’t gotten around to planting them and are wondering how to get them to germinate.

The older they are, it’s hard for them to crack their shell.

I have tried various ways to get older seeds to sprout, some successful some not.

There are methods that work better than others.

These are the methods we found to help germinate old cannabis seeds and get them to sprout.

Let’s check them out,

How to germinate old cannabis seeds:

Pre-soak method

The pre-soak method is one way to kick start and germinate old cannabis seeds into sprouting.

We usually start all of our seeds off this way even if they are newer seeds.

It’s recommend you have your water solution at room temperature around 20 degrees Celsius or 68 degrees Fahrenheit.

You can have it warmer depending on the climate you live in. But not too hot.

** Please note: Do not soak your seeds longer than 20 hours or you risk drowning them **

There are a few different additives you can use hydrogen peroxide, carbonated water.

We have also heard of fulvic acid but (it is not covered in post because we never used it.)

Hydrogen Peroxide:

When using Hydrogen Peroxide in soaking your seeds it adds extra oxygen to the water.

This can help the cannabis seeds absorb the extra oxygen for the tap root. Roots like oxygen.

To make this solution use a ratio of 100:1. Use 100 ml of water to 1 ml of hydrogen peroxide.

Next take purified water at room temperature and mix in your hydrogen peroxide.

Then place water solution in a shot glass or glass of your choice then drop the seed in.

Put the glass in a dark warm area.

Wait anywhere from 8-18 hours, tap the seed to see if it sinks. If it does then it has absorbed the water it needs.

You can now either plant it in the medium, pointy side facing down.

Or you can place then in a paper towel soaked container with your hydrogen peroxide solution and use the paper towel method to sprout them.

Carbonated water:

To use carbonated water to germinate old cannabis seeds it’s really simple.

Use room temperature carbonated water (un-flavored).

We recommend you have your water solution at room temperature around 20 degrees Celsius or 68 degrees Fahrenheit.

You can have it warmer depending on the climate you live in.

Simply drop your old cannabis seed into the water and store in a dark warm area for about

Put the glass in a dark warm area.

Wait anywhere from 8-18 hours, tap the seed to see if it sinks. If it does then it has absorbed the water it needs.

You can now either plant it in the medium, pointy side facing down.

Or you can place then in a paper towel soaked container with your hydrogen peroxide solution and use the paper towel method to sprout them.

Scratch Method:

With the scratch method it’s really simple to do all you need is a fine grit sand paper.

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Some people use an empty match box to put the sand paper in.

Then the next step is to simply put the seed in a “matchbox with sand paper” and give it a shake once or twice is enough.

What I have found best if you don’t have an empty match box and do not want to take all the matches out of the box.

Cut a piece of sand paper about 3 inches by 3 inches.

Next roll it up so it’s the shape of a tube and wider than the seeds, then put some tape on it to keep it together.

Then just put your finger on one side of the opening to close it.

After that place the seed in the tube of sand paper put your other finger on top and give it a shake once or twice is all that is needed.

Once your old cannabis seeds got there shake on.

The next step is to put them either in a Pre-soak, paper towel method, or grow medium of your choice soil coco, rockwool.

Slice Method:

The slice method is the last resort and a very extreme measure to try and get the seed to germinate and sprout.

After you have tried the methods mentioned above.

You will need a very sharp knife like a razor blade (make sure it is sterile, use some alcohol on it)

Take your old seed and make a slice along the middle of the seed where you can see the division of both sides of the seed.

Now place the seed into the soil, coco, rooting plug or Rockwool of your choice.

Ridge Method:

Some cannabis seeds have a ridge on one side of the seed that is protruding.

You can try and gently remove the ridge with a razor blade if you wish this may allow the seed to sprout open.

Then place the seed into a growing medium or a sprouting method like paper towel or rooting plug.

Final Thoughts

Trying to germinate old cannabis seeds can be very difficult.

Especially if they are not wanting to crack open. About 50 to seventy 75 percent of the time this can be the case.

Try to use some of the methods mentioned like the scratch, pre-soak, and paper towel method.

You could be on the right track to getting them to sprout out.

When you have old seeds you should always try and germinate them.

Because you never know they just might grow up to be a fantastic cannabis plant.

If you want to learn more about germinating cannabis seeds check out our post on it here: Germinating marijuana seeds

The Most Common Ways To Germinate Cannabis Seeds

News Americas, NEW YORK, NY, Weds. May 31, 2022: Marijuana seed germination is a simple process, but it is critical for starting the crop in the best possible way.

There are several methods for germinating cannabis seeds. You can try to germinate weed seeds in a glass of water or use any other method shared below. All of them are correct, but some are preferable to others.

We must always germinate the seeds before growing them indoors, outdoors, in hydroponic or organic crops. To accomplish this, you must follow a series of simple steps ideal for effective and rapid germination.

This post will discuss the various methods for germinating marijuana seeds. We will also provide you with a summary of the benefits and drawbacks of each technique. Let’s get started!

How to germinate cannabis seeds

The first step is to summarize the conditions that must be met for adequate germination. The first thing we must control is humidity or water.

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We can use tap water without issue unless it has a very high EC (from 1).

In the meantime, a small amount of distilled or reverse osmosis water will suffice.

Many growers typically add a few drops of hydrogen peroxide (hydrogen peroxide) to the water. As a result, the water contains more oxygen. In addition, hydrogen peroxide’s antifungal properties are used. This reduces the likelihood of fungi appearing.

The pH level of the water must be close to 6. The temperature should be around 22oC, and complexes or root stimulators can be added if desired.

Best seed germination substrates

  • On the one hand, there’s Jiffy (pressed peat or coconut tablets)
  • Rock wool cubes
  • Paper napkins.
  • Tacos with Root Riot Spread

Once we have the water and the medium for germinating, we must determine the best conditions for growing.

It is recommended that they be kept in a dark and humid environment, but they must be well ventilated. It would help if you also held it at 25 degrees Celsius.

There are some small greenhouses on the market that simulate ideal seed-germination conditions.

Suppose we use kitchen paper as a germination medium. We must maintain these conditions until the seeds germinate, that is, until the radicle appears, which will later become the plant’s main root.

The seeds are planted when this article is about 1 cm long, and after a few days, a tiny seedling can be seen growing.

Next, we’ll go over the various methods for germinating seeds:

Substrates and media for cannabis seed germination

Now we’ll go over the most common methods for germinating seeds. Keep in mind that the media must be wet with the previously mentioned water.

1. Peat jiffy

Jiffy is pressed, and dry peat plugs. It would help if you soaked them for some time before transforming them into a cloth bag of the substrate.

Usually, seeds are sown directly in the jiffy without first germinating. In other words, the seedlings germinate now in the jiffies where they will grow. The plant is then transplanted into a pot to begin the growth phase.

Jiffy comes in various sizes and materials, such as peat or coconut fiber. Because this substrate retains a good amount of water, they do not need to be hydrated during the germination stage.

2. Rock wool

Another germination method is Rockwool cubes or plugs, which are widely used, especially when using hydroponic or aeroponic methods. This method cannot contaminate the system with peat or coco residues, as occurs when cultivating with a jiffy.

The seeds germinate quickly in this substrate, but You must control the humidity level of the rock wool because it dehydrates, unlike jiffy, which retains moisture. As a result, a daily check should be performed to ensure that the rock wool is moistened.

3. Root Riot Spread Tacos

Root Riot’s propagation plugs are made of a sponge-like material composed of composted organic materials. Its porous structure aids in maintaining the ideal air/water ratio for root development.

They contribute to the proper balance of water, oxygen, and micronutrients. This method of germination produces excellent results. It is used in the same way that rock wool blocks are.

4. Kitchen paper

Cotton is commonly used in place of kitchen paper. It consists of moistening the folded kitchen paper in a container. It is one of the most common methods for germinating seeds.

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It is one of the most common ways to germinate seeds of any plant, and it is sometimes replaced by cotton. It entails moistening the folded kitchen paper in a container (for example, a plate). The more paper you add, the more moisture is retained, and the less the paper must hydrate during the process.

When the seeds are moist, they are placed on top and covered with a thin layer of paper (this step is usually forgotten). The plate is then covered with another of the exact dimensions, with a small gap between them to allow the seeds to “breathe.” As with rock wool, we will keep the medium – in this case, the paper – moist at all times.

5. Others

If the crop is to be grown outside, another option is to plant the seed directly in a pot or on the ground. This is not usually recommended because the seed may remain deeper than it should. We also push the seed deeper if we water after planting.

As a result, the soil must be watered before sowing the seed. It is also recommended to soak the seeds for one day before planting to promote seed germination.

Germinate marijuana seeds step by step

Marijuana seeds can be germinated using:

Germinate seeds in a jiffy (small bags of peat)

The jiffy must first be soaked in water for 15 minutes. When they begin to swell, They are drained slightly, and a 1cm deep hole is made. The seed is placed in this hole, with its crown facing upwards.

You can buy small plastic greenhouses with holes to allow them to breathe. The hole is filled with unpressed peat, and the jiffy is kept dry, warm, and ventilated. However, keep them away from drafts. Usually, seedlings emerge after three days. The plants took three days to hatch using this method.

Germinate marijuana seeds in Rockwool

To begin germinating seeds, we must first hydrate the Rockwool like we do jiffy. The excess water is then drained, and the seed is planted in the same manner as in the jiffy, one centimeter deep with the crown upwards and covered with rock wool. Because rock wool can dry out, we must keep it moistened daily if required. Small greenhouses are highly recommended because they keep the Rockwool moist and prevent it from drying out.

When the seedling emerges, it will be transplanted to our choice’s substrate or hydroponic system. Germination in Rockwool takes about three days on average.

Germinate seeds in Root Riot

Root riot’s seed germination procedure is very similar to Rockwool. Seedlings are born after four days using this method.

Germinate seeds on kitchen paper

To germinate marijuana seeds using this method, we take a couple of kitchen papers and fold them several times.

We moisten the paper in a deep plate or similar container with water. The seeds are then placed on top and covered with a layer of paper.

We use another deep plate with a small hole for air to enter as a lid.

It is frequently used in conjunction with one of the preceding methods. When the seed radicle appears, it is placed instantly, a cube of rock wool or a propagation block. After a few days, the seedling emerges.

Conclusion

Whatever method is used to germinate, specific important considerations must always be considered.

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