How To Germinate Cannabis Seeds With Hydrogen Peroxide

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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. Seeds are expensive, having them all germinate is achievable with these easy germination techniques. You'll be growing in no time! THE BASICS Like almost everything else about growing excellent Cannabis, germinating your seeds successfully is pretty simple. We’ve used this very basic, inexpensive method for many years and have shared it among thousands of growers worldwide who have all had excellent results with no issues. First make a mix in the

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.

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.

How to Germinate Cannabis Seeds

So you’ve gotten hold of some cannabis seeds and want to make sure they all pop? Seeds are expensive and having them all germinate is achievable, provided they were bred and stored correctly. There are various methods of germination that different cultivators will swear by, from pre soak solutions to the type of medium used.

General Requirements for Germination

Consider a seed falling off a tree in winter. By the time spring comes around the seed may be slightly covered in a light soil, temperatures have risen and rains are starting to fall. These are the basics conditions for a seed to germinate; warmth, water, air and some sort of darkness or cover.

The Seed Soak Germination

This is a part of germination where the seed is soaked for a period of time. Soaking can be in anything from distilled or RO water, to some form of special solution. Solutions can vary from beneficial microbial inoculation or a solution of hydrogen peroxide. The time a seed is soaked can vary from a few minutes to hours or even a day. The soft seed is then carefully transplanted to the growing medium of choice to sprout and grow. It should be noted that seeds can drown and we wouldn’t advise submerging seeds for more than 24 hours.

Hydrogen Peroxide Solution

Hydrogen peroxide is used to sterilize the outer shell of the seed and increase oxygen levels around it. Oxygen is important for gemination and is not uncommon for cultivators to rinse seeds in a weak solution for up to 30 minutes. Add 3ml of 50% hydrogen peroxide to 250ml of water for this method of soaking. Be sure to rinse the seeds well with clean water after soaking. Microbial life of all kinds won’t survive this method, whether it be unwanted fungi spores and bacteria or beneficial microbes.

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Beneficial Microbe Solution

An alternative solution is dechlorinated water and beneficial microbes. The seed is then placed in the solution for anything from 30 minutes to a couple of hours. Beneficial organisms fight any “bad guys” around and coat the seed with “good guys.” The microbes will colonize the seedling’s root zone creating a symbiotic relationship between them. Rinsing with clean water afterwards is not necessary.

Paper Towel “Soak”

Many did it at school with paper towels or cotton wool. Seeds are placed in-between soft, water retaining materials in a warm place until a tap root is seen. Paper towels and cotton wool can dry out quickly so check on the moisture content regularly.

Once the tap root reveals itself, gently transfer it to a growing medium or starter plug. Place the sprouted seed tap root down and cover lightly. When transplanting seeds, minimize exposing the root to the elements especially sunlight. Sterilize all tools used and be sure not to break the tap root during transplant, as that can happen too.

Starter Plug Germination

Starter plugs range from rock wool to peat pellets and natural sponges of different kinds. What’s important to note is not to mix your mediums. For example, don’t germinate seeds in rock wool when planning a coco peat finish. A peat pellet or natural sponge would be better suited. For a sterile or inoculated plug to germinate in, add either peroxide or microbes to the water used to soak or expand with.

Rock Wool

An old favourite able to hold both air and water well. Produced by the heating of basalt rock and calcium and spun into a sheet. Rock wool naturally has a high pH of 8 and should be soaked in water with a pH of 5.5 – 6 for 30 minutes. Shake excess water off and place the seeds in the designated hole. Pinch the hole closed and place the rock wool in a warm area. Keep the rock wool plug moist but not overly soaked.

Peat Pellet

Popular in recent years the coco peat pellet is expanded with water and surrounded by a soft material with an opening at the top. It’s pH is naturally around 5.5 but any water or solution used to expand the pellet should also be 5.5. Place the seed gently 1cm to 5mm inside the pellet and cover lightly. Make sure the pellet stays moist but not soaked, allowing for water to drain off.

Natural Sponges

A sponge shaped like rock wool but made from organic materials like coco peat. When produced, they are pH ready at around 5.5 and in some cases when sold in packs, are already sufficiently soaked too. Like above, place the seed gently inside and place in a warm area making sure they stay moist.

Direct Sowing Germination

You may want to sow your seed directly in the ground in the garden. For that, choose the sunniest spot with a bit of space around as cannabis can get big outdoors. You can soak your seed like above or just get it in there by placing it 5mm – 1cm deep in loosened soil. Keep the area moist and protected, even covered with something clear if preferred.

Cannabis plants become sexually mature and ready to flower from around 6-8 weeks strain depending. This allows for seeds to be planted from spring though to mid-late summer, the longer you wait though, the smaller the yield. Plant your seed in mid spring for vigorous growth during the summer months and a big harvest come autumn.

Conclusion

These are a few of the basic methods used to germinate cannabis seeds although the options are endless. Each method will vary in the time it takes for the seed to break ground, anything from a day or two, to two weeks outdoors with direct sowing. Starting off in the same fashion as vegetable seeds in seed trays are also options for germinating cannabis seeds.

Here are a few more tips for germinating cannabis seed:

If using a propagation dome or some sort of closed environment to increase humidity, the air should be changed daily.

The use of heat mats can greatly increase germination rates, the right temperature can make all the difference.

Germination Tips

Like almost everything else about growing excellent Cannabis, germinating your seeds successfully is pretty simple. We’ve used this very basic, inexpensive method for many years and have shared it among thousands of growers worldwide who have all had excellent results with no issues.

See also  Can You Eat Weed Seeds

First make a mix in the ratio of 1/3 3% hydrogen peroxide to 2/3 distilled water.

It’s important to use only distilled water – some of the common chemicals in tap water can stunt, warp or kill your plant even well past seedling stage when you’ve already spent weeks tending it.

Then soak your seeds in the distilled water/hydrogen peroxide mixture overnight. If you’re growing multiple varieties, be sure to soak them separately. (Don’t laugh. It’s happened.)

Next, pour some of the soak water onto really absorbent paper towels, then wring or squeeze them out lightly and lay them flat. We use 2-3 towels layered together to make a nice thick absorbent nest.

The best seeds often sink and compromised seeds sometimes float, but there are always exceptions to the rule.

Then sprinkle the soaked seeds, using a clean spoon or gloved fingers, onto the moist paper towels, not crowding the seeds.

Then fold the moistened towels over the seeds to make a flat little package.

If you’re sprouting more than 12 seeds at a time, make more than one package – don’t crowd them.

Then put the moist towel and seeds flat inside a closed, unzipped storage-size plastic baggie, laying it flat somewhere away from direct light at room temperature.

In two or three days the seeds will sprout – maybe not all at once, but that’s not a problem because within 24 hours of the first seed sprouting all the others will have sprouted too. Keep your inspection peeks short as not to dehydrate the paper towel.

When the seeds each have a 3/4” root and the halves of the shell are beginning to open noticeably, meaning the embryo leaves are swelling inside, they’re ready.

You then want to move each sprouted seed into a Jiffy Cube you’ve prepared by making a small hole using a pencil or chopstick. Again – be sure you used distilled water to hydrate your Jiffy Cubes and of course use it everywhere else during germination.

Replanted into Jiffys:

Using your fingers, pick up the seed very gently by its shell, and avoid touching the sprouting root as you transfer it into the jiffy cube.

Also remember what’s unfolding inside that little shell as you handle it, be super delicate and stay conscious of the life emerging inside.

Now place the sprouting seed root-down in the hole letting it settle in naturally with the top of the seed even with the top of the hole – never push it down.

If it doesn’t nest right in, lift it out and poke the hole a little deeper. The cells at the tip of that little root hold the most miraculous ecosystem of emerging life one can imagine and while they are incredibly tough in nature they are also vulnerable to our mis-handling.

Now all you have to do is let the new sprouts do their thing they do so well, with a little help from their friends. With a day or so they will raise up their first leaves. Keep them lightly misted if you’re in a dry environment but don’t over-do it.

In a couple of days when they’ve developed their first set of true leaves, not the embryo leaves, it’s time to put them into larger pots with living soil and a mild fertilizer and then let the plants fully establish themselves.

3 Days Later:

10 Days Later:

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Is using distilled water really important for germination?

Using distilled water is probably the most important part of the germination process because well water, tap water, bottled water and even rainwater contain traces of contaminants that can inhibit germination and later vegetative growth and flowering.

High chlorine in tap water, herbicides in well water, phthalates in bottled water, as well as many other kinds of common water contaminants can kill or damage germinating seeds and will definitely affect your plant’s health, yield and flower quality.

Can I remove these contaminants with a garden hose filter?

Yes most of them you can. There are a variety of relatively inexpensive filters that screw onto the end of the garden hose that you use to fill containers and water your plants. Some have replaceable screens, while others use granular activated charcoal.

There are also screw-on systems with carbon block filters that run $20-$30 and are very effective at reducing chlorine and chloramine, and at removing pesticides, heavy metals, and herbicides.

What’s some of the science behind using Hydrogen Peroxide for germination?

Here are two core articles from the PubMed database:

“Different Modes of Hydrogen Peroxide Action During Seed Germination”

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