Cannabis seed storage and germination

  • January 13, 2023
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  • Last modified on January 23rd, 2023 at 4:22 am
Cannabis seed storage and germination
As a horticulturalist, I have extensive experience in cannabis seed storage and germination. In this post, I will share my knowledge on how to store seeds. Not just for a month or two, but for over 10 years. Then I’ll tell you how to successfully germinate them. Proper seed storage and germination techniques are crucial for any gardener or farmer looking to save and grow their own seeds.

Preserving cannabis seeds

Marijuana seed storage is a crucial aspect of horticulture, as it allows us to preserve special cannabis strains and ensure their survival for future generations. I have been working in this field for over three decades and have learned the best techniques for weed seed storage and germination. Book smarts can only take you so far. Even with intense research, nothing beats hands-on experience with the magical cannabis plant.

How to properly store weed seeds for over 10 years

  • Proper Seed Storage: To ensure that pot seeds can be stored for over 10 years, it’s essential to keep them in a cool, dry, and dark place. The ideal storage temperature is between 32-41 degrees Fahrenheit (0-5 degrees Celsius) with a humidity level of less than 10%. Avoid storing seeds in a humid or warm environment as it will decrease their longevity.
  • The Importance of Seed Packaging: Proper packaging is crucial for long-term seed storage. Air-tight containers such as glass jars or vacuum sealed bags are the best options. It is also important to label the seeds with the name of the plant, the date of harvest, and any other important information.
  • Germination Techniques: Once the seeds have been stored properly, it is time to germinate them. The first step is to check the seed’s viability by performing a germination test. Do this by placing a small number of seeds on a damp paper towel and then placing it in a warm, dark location. If at least 50% of the seeds germinate, then they are viable.
  • Pre-treatment: Some seeds require pre-treatment before germination, such as scarification, stratification, or cold treatment. This is a process that mimics the natural conditions that the seeds would encounter in nature. It’s important to research the specific needs of the seeds you plan to germinate and to follow the proper pre-treatment protocols.
  • Lighting: Once the seeds have germinated, it’s important to provide them with the proper lighting. Seedlings need a lot of light to grow strong and healthy, so be sure to provide them with a high-intensity grow light or place them in a sunny location.
  • Transplanting: Once the seedlings have grown to a certain size, it’s time to transplant them into a larger container or in the garden. Be sure to handle the seedlings carefully to avoid damaging
  • Root Thrive: Using a rooting hormone such as Root Thrive can increase the chances of successful germination. Root Thrive contains a blend of beneficial microorganisms and plant extracts that support root growth and development. Simply dip the seeds in the solution before planting.
  • Distilled Water: It is important to use distilled water when germinating seeds as it is free of impurities and chemicals that can harm the delicate seedlings.
  • Proper Temperature: Using a heating mat to maintain the proper temperature can also increase the chances of successful germination. The ideal temperature for seed germination varies depending on the type of plant, but generally ranges between 60-75 degrees Fahrenheit (15-24 degrees Celsius).
  • Differences of storing seeds in the permafrost or in a seed vault in Norway. Storing seeds in the permafrost or in a seed vault in Norway is a method of long-term seed preservation. The permafrost provides a natural refrigerator that keeps the seeds at a stable temperature and low humidity. The Svalbard Global Seed Vault in Norway is specifically designed to preserve cannabis seeds in a calamity. This seed vault preserves seeds in a controlled environment with low humidity, temperature, and light. Both methods are effective in preserving seeds for long periods of time, but seed vaults offer more precise control over the storage conditions.

    Learn how to grow cannabis and store your seeds for later

    If you’re interested in learning more about seed storage and germination, sign up for our newsletter. Our newsletters share the latest bleeding edge research and tips on cannabis germination and seed storage. We also offer a variety of seed storage and germination products. Our Pot Booster and heating mats to help increase your chances of success.


    Proper seed storage and germination are essential for any gardener or farmer looking to save and grow their own seeds. By following the tips outlined in this post, you can ensure that your seeds are stored for over 10 years. Proper seed storage and germination are essential for any gardener or farmer looking to save and grow their own seeds. Remember to research the specific storage and germination requirements of the cannabis strain you plan to work with. Moreover, always pay attention to the cannabis seedling’s needs as they grow. With the right knowledge and tools, you can create a thriving pot garden full of healthy plants.
  • Mr. BC Seeds
    Mr. BC Seeds is an over educated old school hippy who has been involved in the cannabis industry since the 1970's. He is one of the most experienced marijuana breeders in Canada if not the entire world. He was the first to use the most advanced breeding techniques in 2008 to create 42 of the world's strongest cannabis strains. He has been writing in-depth articles about cannabis in Canada for decades and looks forward to continue bringing you cutting edge cannabis strains for the decades to come. Mr. BC Seeds uses a "pen name" because he still travels the world collecting cannabis strains and continues researching cannabis in laboratories of non-legalized countries.
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