How To Germinate Cannabis Seeds With Hydrogen Peroxide

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Seeds are expensive, having them all germinate is achievable with these easy germination techniques. You'll be growing in no time! So many Growers, so many Preferences. We asked 143 growers: what is the best way germinating weed seeds?

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.

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.

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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.

The Best Way Germinating Marijuana Seeds?
We asked 8 Experts + 143 MSB Growers!

Do you think there is 1 way to make your ladies sprout? Think again!

We asked 8 Experts & 143 MSB Growers:

What is your Preferred Germination Method?

We were blown away by the number of variations we received!

Perhaps your new best way of Germinating Marijuana Seeds is amongst them!

  • Study Best Way Germinating Marijuana Seeds
  • Dr. Dina, Queen of cannabis
  • Ed rosenthal
  • James Loud, Loud Genetics
  • Jennifer Martin, Cultivation Sector Consulting
  • Jesce Horton, LOWD
  • Melanie Carruthers, 7acres
  • Ryan Douglas, Ryan Douglas Cultivation
  • Rudy Ellenbogen. Whole Grow
  • Preferred Germination Method MSB Community
  • Conclusion: What is the Best Way to Germinate Marijuana Seeds?
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Study on Best Way Germinating Marijuana Seeds

Here at Marijuana Seed Breeders, we get many questions. From Beginner to Expert.

We love helping growers.

In fact, we try to address frequently asked questions into articles so that everyone, even non-MSB Growers can benefit.

One of these questions is about germination: what is the best way for germinating marijuana seeds?

Interesting one, because perhaps is our best way, not your best way. Therefore we created the article How to germinate weed seeds.

In the article we give steps for 5 frequently used cannabis germination methods:

  1. Glass of water
  2. Wet towel
  3. Directly in soil
  4. Stone wool blocks
  5. Using a starter kit

We also give pros and cons to every method. So this should give you enough information to determine what is the best fit for your next growth.

Which Germination Method is the most used?

Every spouted seed counts. To more plants the better, right?

That’s why we are interested to understand how marijuana growers around the world germinate their cannabis seeds.

When we ask people this question we get a lot of different answers. Which germination method is the most used one?

We had an idea, but we didn’t know for sure.

It was time for a survey amongst our beloved MSB Community. We also reached out to experts in the field to learn more about their preferred method.

We were blown away by the number of enthusiastic replies! Both from our MSB community as well as the experts.

Yes, sure we received replies, just confirming one of the 5 methods.

But the larger group of people actually took the time to reveal their ‘secret’ to cannabis seed germination!

But first: let look at the statistics from our own research.

Results Preferred Marijuana Seed Germination Study

Without further ado, the most favorite germination method amongst 143 growers is:

#1. Wet Towel (37.3%).

#2. Other. 21.1% of the growers follow another germination routine.

#3. Directly in Soil. A surprisingly high percentage (19%) put their precious seeds directly in soil!

#4. Starter kits. 10% use starter kits (like Spongepot).

#5. Glass of water is the best way for 8.5% of the growers.

#6. Stonewool (3.5%).

Here is the breakdown in a chart:

Preferred Germination Method Experts

Ok, enough of the statistic, it’s germination time.

Let’s start with Expert advice!

First off: even though they were busy, we received kind feedback from the Experts. This shows again how approachable and awesome the people in our growing community are,

We received feedback from these experts from the field (sorted in alphabetical order):

#1. Dr. Dina, The Queen of Cannabis, Co-Owner of AHHS WeHo

#2. Ed Rosenthal, The Guru of Ganja

#3. James Loud, Founder of Loud Genetics Loud Seeds

#4. Jennifer Martin, Founder Cultivation Sector Consulting LLC

#5. Jesce Horton, Founder and CEO LOWD

#6. Melanie Carruthers, Director of Propagation 7ACRES

#7. Ryan Douglas, Cannabis Growth Consultant Ryan Douglas Cultivation

#8. Rudy Ellenbogen, Founder and CEO Whole Grow

Ready? Let’s dive right in!

See also  Do Weed Seeds Have Thc

Dr. Dina, The Queen of Cannabis, Co-Owner of AHHS WeHo

When someone gets a nickname from Snoop Dogg, and when that person is referred to as The Queen of Cannabis, the Mona Lisa of Mary Jane as well as The Queen of Weed AND the main character of the 8 season series Weeds is based on their person, then you know that you are dealing with a true expert.

I prefer to germinate My seeds in root gel (clonex) and stick them in cubes. Paper towels work well too, but I think the root gel gives the seeds the extra push to become a strong plant.

– Dr. Dina, The Queen of Cannabis

Ed Rosenthal, Author, Educator, Social Activist, And Legalization Pioneer

I use starter trays and plugs from iHort – EXcel T-50 and 32 Star Excel trays to start seeds. They come pre-moistened, with a little hole to drop a seed.

I use the 50 per tray when I will be transplanting within two weeks and the 32 per tray for growing up to 3 weeks.

When I’m using fresh seed, I just drop them into the hole in the cube.

With stale seeds, first I soak them in a 0.5% hydrogen peroxide (H2O2) solution for 3-4 hours. The recipe is 1 part drugstore 3% H2O2 to 5 parts water. This sterilizes their surfaces. Then they soak in mycos and liquid kelp solution for about 6 hours. Then they are placed in the cubes.

Upon first signs of germination, I water them with mycos and kelp to promote root growth. The next day they are watered with a weak combo of veg and flowering formula about 400 PPM.

Ed Rosenthal, The Guru of Ganja

James Loud, Founder of Loud Genetics

Well it’s a loaded question because it depends on scale.

I sterilize in an h2o2 Soak then germinate in a jiffy #7 typically. However, large scale I prefer a needle/vacuum seeder to place the seeds evenly in the substrate.

Well and with autoflower I believe direct sow in optimal conditions can yield better results.

– James Loud, Loud Seeds

Jennifer Martin, Owner Cultivation Sector Consulting LLC

I use coco plugs. I gave up the wet paper towel method years ago because managing the moisture was too cumbersome.

I buy coco plugs that come in the 50-cell sheet, make a light nutrient mix, put all of the plugs in a pitcher of the nutrient mix, squeeze them to fully saturate them with the mix, put them back in the cell sheet, push a seed into each hole, and put a dome on the tray under the light.

Then I just keep the plugs moist. The seeds start to pop in about 3 days. Some take up to a week. I leave them in there until they overgrow the tray, then transplant into 3″ pots.

Jesce Horton, Founder and CEO, LOWD

I’m a water glass guy. I like to know before planting which seeds are more vigorous and then assess based on that benchmark throughout the growth process.

I carefully pull the seeds with a spoon and drop them into a coco mixture a day or two after they pop.

– Jesce Horton, LOWD

Melanie Carruthers, Director of Propagation, 7ACRES

Our processes at 7ACRES for seed germination use a combination of a glass of water and wet towel.

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