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Cannabis Seed Germination Guide

Home » Cannabis Seed Germination Guide
Cannabis Seed Germination Guide2018-10-18T13:03:36+00:00

Growers Choice Cannabis Seeds is proud to offer the highest germination guarantee in the industry. We promise at least 90% of your seeds will germinate. If they don’t, we will replace them free of charge.*When you order from us, you receive high-quality seeds that have been tested to ensure a germination rate of at least 90% (two-seed minimum). Though some visual markers may be used to predict a seed’s viability, we strongly recommend you attempt to germinate every seed you purchased, regardless of size, color, or density.

To be covered by the Growers Choice Cannabis Seeds 90% Germination Promise, you must precisely follow the Germination Method detailed below.

Quick Reference Water Glass/Paper Towel Germination Method:

  1. Empty your cannabis seeds into a glass of pure water (distilled, rain or spring). Soak your seeds for 14 to 18 hours. They should sink to the bottom of the glass within the first few hours. If they don’t do so on their own, tap them gently.
  2. At the end of the soaking period, pour the water and seeds onto a layer of paper towel on a plate, and drain off any excess water.
  3. Fold the wet paper towel over the seeds so they are completely covered, and place the plate in a warm, dark space.
  4. Keep the paper towel well-saturated during the germination process, and check your cannabis seeds intermittently, watching for the taproot that will begin to grow.
  5. The seeds are ready for planting when the taproot is 1/4- to 3/4-inch long. This generally takes between three and seven days, but could take up to two weeks.


Growers Choice Quickstart Guide

Download our cannabis seed Quick Start Germination Guide and get started today!
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Please note: the Germination Promise extends only to cannabis seed germination. Due to the wide range of human and other outside factors involved in the growing period, our Germination Promise cannot cover any issues with plant growth following germination. You must follow the extended instructions listed below to be eligible for replacement.

The Growers Choice Germination Guarantee:

The Germination Process for Cannabis Seeds

Germination is the first step of the growth process for your cannabis seeds. If your seeds germinate successfully, they should grow into healthy, high-producing cannabis plants. Cannabis seeds need three things in order to germinate:

Moisture
When the taproot breaks free of the seed shell, it must have easy and immediate access to water in order to develop.

Darkness
Plant roots are buried beneath the soil and likewise, this first tiny root needs darkness to develop.

Warmth
Like most living things, cannabis roots develop best when they are kept comfortably warm, around 75 degrees Fahrenheit.

Optional Scuffing

Scuffing the shell of the cannabis seeds with fine sandpaper (60 to 200 grit) lets the water more easily soak through the shell and kickstart germination. The easiest way to do this is to form a tube with a piece of sandpaper, with the textured surface on the inside. Place your thumb over one end and drop in your seeds. Then, placing your finger over the open end of the tube, shake the tube 20 times.

Extended Information

To begin the “Water Glass/Paper Towel” Cannabis Seed Germination Method, you will need a few simple items you probably already have around the house:

  • Thick paper towel with no dyes or perfumes, preferably unbleached
  • Distilled or spring water (bottled), or rain water. (We cannot guarantee successful germination in tap water. If you must use tap water, pour it a few days early, and let it sit out before beginning the germination process.)
  • A glass or cup, about 8oz in size
  • A glass or plastic dinner plate (do not use styrofoam)
  • Tweezers (don’t touch the seeds with your bare hands)

Step One

grow your own cannabis seeds

This fellow didn’t follow the “5 seed max” rule!

Pour room temperature water (20-25 degrees Celsius) into the glass. Remove the cannabis seeds from their glass, medical-grade vial, and place them in the water.

Note: Place no more than 5 seeds in each glass. Use a separate glass and paper towel for every 5 seeds you germinate.

After the seeds have soaked for a few hours, they may sink to the bottom of the glass. If they have not, a gentle tap of your finger on the top of the seeds should make them sink. If any of the seeds do not sink, leave them for another hour or two and try again.

Your cannabis seeds should be fully submerged within the first few hours of the process. This keeps them away from any dust or debris that may settle on the surface of the water. Once all the seeds are resting on the bottom of the glass, leave them in a warm, dark place for 14 to 18 hours.

Caution: The cannabis seeds should not sit in the glass of water for more than 18 hours.

Step Two

After 14 to 18 hours:

Place the paper towel, folded a few times, onto the plate. Pour the entire contents of the glass onto the plate, so the cannabis seeds fall onto the paper towel. The paper towel should soak up the water and be saturated. Carefully drain off any excess water. Space the seeds out across the middle of the paper towel using the tweezers, so they are about one inch apart. This keeps the taproots from tangling as they grow. Fold the sides of the paper towel over, so the seeds are completely covered. Do not press the paper towel down, just set it gently onto the seeds.

Step Three

Place the plate in a dark place at room temperature. Keep the paper towel wet while the seeds are germinating. Water can be misted or sprinkled over the plate as needed. How often or how much water you’ll need to add will depend on the humidity level of the room. Check the dampness of the paper towel every few hours to make sure it hasn’t dried out.

Step Four

buy cannabis seeds online

This cannabis seed has sprouted a nice, healthy taproot.

The cannabis seeds will usually take up to seven days to develop a good taproot. Some seeds could take as long as two weeks. The seeds are ready to plant when the taproot is between 1/4 and 3/4 inch long. Check the seeds a few times a day to monitor the taproot length, but don’t touch the delicate new growth.

Caution: Your order is no longer eligible for the Growers Choice Cannabis Seeds Germination Promise if you did not follow this method exactly.
There are a number of reasons your seeds may not germinate, even if you follow the method outlined above. Due to seeds being a 100% natural product, it is impossible to guarantee that every seed we sell will germinate.

If your cannabis seeds do not germinate, it is possible…

  • The room is too warm or too cool
  • The paper towel dried out too much, or there was too much water on the plate
  • The seeds were not soaked long enough
  • The water had too many additives
  • The seeds are no longer viable (if you purchased them months or years ago)

If you followed this method exactly and your seeds did not germinate, try this “last ditch” method before giving up: Place the seeds back into a cup of water. Let them soak until the seeds crack open and the taproot is visible. Then continue from Step Two.

*The cost of the replacement cannabis seed(s) is covered by Growers Choice. Shipping costs are the responsibility of the customer. Please contact us for exact shipping costs. Cannabis seeds purchased more than 60 days prior to complaint are not eligible for the Growers Choice Germination Promise.

After Germination

To learn more about planting your cannabis seeds, and the plant’s life cycle, check out these articles:

Following Germination – planting your cannabis seeds in the growing medium

The Vegetative Stage – The growth period from when your seed sprouts above the surface, until it begins to develop buds.

The Flowering Stage – The growth period from the development of cannabis buds, until harvest.

Germination Guarantee Policy

Growers Choice Cannabis Seeds is proud to offer the highest germination guarantee in the industry. We promise at least 90% of your seeds will germinate. If they don’t, we will replace them free of charge.*

When you order from us, you receive high-quality seeds that have been tested to ensure a germination rate of at least 90% (two-seed minimum). Though some visual markers may be used to predict a seed’s viability, we strongly recommend you attempt to germinate every seed you purchased, regardless of size, color, or density.

*We cannot replace single failed seeds – the guarantee pertains to two (2) or more non-viable cannabis seeds that still meet the less than 90% requirement. (For example: 8/10 germinate: 80%; this order is eligible for the guarantee. 23/25 germinate: 92%; this order is not eligible.)

Cost of Replacement

The cost of the replacement cannabis seed(s) is covered by Growers Choice. Shipping costs are the responsibility of the customer. Please contact us for exact shipping costs.

Cannabis seeds purchased more than 60 days prior are not eligible for the Growers Choice Germination Promise. The seeds replacement program within the Germination Guarantee is a one-time offer and cannot be applied to the same order more than once.

In order to submit a guarantee claim process, we will require photo documentation to proceed with a replacement request. Without proper photo documentation, we reserve the right to deny your claim.

Please note: the Germination Promise extends only to cannabis seed germination. Due to the wide range of human and other outside factors involved in the growing period, our Germination Promise cannot cover any issues with plant growth following germination. You must follow the extended instructions listed above to be eligible for replacement.

Failed seeds are only valid for replacement if the seed remained closed and did not develop a taproot.

To submit a claim:

In order to submit a valid claim for evaluation, We are not able to assist customers if any of the following requirements are not met.

1. Followed the Germination Guide exactly.
2. Provide photo documentation as proof.
3. The allotted time for germination (two weeks/14 days) has elapsed.

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