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Ways To Effectively Preserve Cannabis Seeds

Cannabis seeds, with their hard outer shell, look pretty hardy. And while nature has clearly designed them to withstand a wide variety of conditions, cannabis seeds aren't immune. Rapid changes in temperature and excessive humidity, for example, can rapidly ruin collections of seeds. Luckily, caring for your seeds is easy. Keep reading to learn how.

Your Seeds Are Alive

Most people forget this, but it's worth remembering: your cannabis seeds are living organisms. Before they sprout, however, they are in a state of rest, similar to some animals when they sleep. And like all organisms, seeds can expire. When preserving your seeds, you'll want to offer them the best conditions to make sure they remain viable until you're ready to sprout and plant them.

Perfect Conditions for Cannabis Seeds

Cannabis seeds have four primary enemies:

1. Humidity
2. Temperature
3. Light
4. Oxygen

Preferably, you want to keep your seeds in cool, dark, and arid place. If possible, keep your seeds in their factory packaging. At Royal Queen Seeds, we've specifically designed our packaging to protect our seeds until you're ready to germinate them.

If your seeds get hit by light or sudden changes in temperature, these conditions will trigger them to use up their nutrients before they ever see soil, meaning they won't have the nutrition they need to sprout. High humidity, on the flip side, can trigger fungi to grow on your seeds.

Influence of Humidity on Cannabis Seeds

Humidity is certainly one of the biggest threats to your seeds. Here is how various levels of humidity (% relative humidity) influence your cannabis seeds:

Need advice on controlling humidity for your plants? The Grow Guide gives key tips for keeping healthy cultivation environments.

Where and How to Store Your Cannabis Seeds

For short-term storage, dark cupboard or drawer with steady temperatures is typically fine. Try to keep your seeds away from areas of your house that are prone to the typical temperature changes of your local environment.

If, for example, you reside in an area with very warm daytime temperatures and cold nights, try to safeguard your seeds from these changes and don't place them outside in sheds or garage.

For extended storage, it's recommended to keep your seeds with a desiccant, such as silica gel, https://nativesusa.com/ (nativesusa.com) in sealed container inside the refrigerator. Remember that accessing the door of your icebox can actually cause some pretty major temperature shifts. If you happen to have another fridge that gets opened less often than the one in your kitchen, choose that one to keep your seeds.

Again, when possible, keep your seeds in their initial packaging. If you do unseal a pack of seeds and have extras, transfer the remaining seeds directly into sealed container.

Ziplock bags, for example, are perfect because you can remove all the air from them to make practically vacuum-sealed container for your seeds. Once packaged, put your bag inside dark plastic bag or opaque container to guard your seeds from your refrigerator light.

Dry fridges are the ideal to store seeds. The problem is when there is humidity in the fridge, since humidity is the worst enemy for seeds (worse than temperature, light, oxygen...). For this reason, it is better to store the seeds in No Frost fridges.

Can You Store Seeds in the Freezer?

Yes, cannabis seeds can be preserved in the freezer. The colder the temperature, the less quickly they decline. However, it's typically not essential to freeze your seeds. Meet the conditions we detailed above, and you should be able to preserve your seeds for up to half a decade and still get excellent germination rate.

Determining Which Seeds to Germinate and Which to Store

When you're ready to germinate your seeds, check them and germinate any seeds with damage to the outer shell first. The shell of your seeds is made to protect the volatile genetics inside. Seeds with cracks in the outer shell are much more vulnerable and shouldn't be stored.

At Royal Queen Seeds, we take pride in our work and want to make sure every grower only has the best genetics in their garden. That means we inspect all of our seeds before packaging. If you notice any damage to your RQS seeds, reach out with our support team immediately.

Methods for Germinating Aged Cannabis Seeds

We've all discovered an odd seed somewhere at the bottom of an old drawer or cupboard. Here are a few tips on how to grow weed seeds:

Soaking with fortified carbonated water

Before growing your old seeds, try soaking them in carbonated water fortified with fulvic acid, germination booster, hydrogen peroxide, or gibberellic acid. For best results, use room temperature water and soak your seeds for half a day in dim place.

Scar your seeds

Older seeds often have extremely tough outer shell. Lightly scratching this shell with some sandpaper can help water and warmth penetrate your seed at the time of germination. Try gently scarring your old cannabis seeds just before submerging to help them grow.

Eliminate a seed's ridge

The ridge is the marginally elevated side of your seed. Like other parts of the shell, this ridge can become extremely tough over time. Removing it gently with sharp Stanley blade can help your seed grow.

Cut open your seed

In a last attempt to sprout your seeds, creating small cut in the seed's shell may help. However, this is no miracle cure, and you'll need to be cautious to avoid damaging the inside of your seed. If you harm the embryo, the seed will never sprout.

Remember, some old seeds just won't grow no matter how long you try. If possible, avoid getting more seeds than you plan to plant so as to avoid having any difficulties at the time of germination.