How To Properly Keep Cannabis Seeds
Cannabis seeds, with their hard outer shell, appear pretty hardy. And while nature has definitely designed them to hold up many variety of conditions, cannabis seeds aren’t invincible. Sudden changes in temperature and elevated humidity, for example, can quickly ruin batches of seeds. Luckily, maintaining your seeds is straightforward. Keep reading to learn how.
Your Seeds Are Alive
Most people forget this, but it’s true: your cannabis seeds are living organisms. Before they germinate, however, they are in a state of rest, similar to some animals when they sleep. And like all life forms, seeds can perish. When storing your seeds, you’ll want to offer them the ideal conditions to make sure they survive until you’re ready to plant and plant them.
Perfect Conditions for Cannabis Seeds
Cannabis seeds have four primary enemies:
- Humidity
- Temperature
- Light
- Oxygen
Preferably, you want to store your seeds in cool, dark, and dry place. When possible, keep your seeds in their factory packaging. At Royal Queen Seeds, we’ve specially designed our packaging to safeguard our seeds until you’re ready to grow them.
If your seeds get hit by light or quick changes in temperature, these conditions will cause them to use up their nutrients before they ever reach soil, meaning they won’t have the nutrients they need to sprout. Elevated humidity, on the other hand, can encourage fungi to grow on your seeds.
Impact of Humidity on Cannabis Seeds
Humidity is definitely one of the largest threats to your seeds. Here is how various levels of humidity (% relative humidity) impact your cannabis seeds:
| Ranges of Relative Humidity | Influence of Humidity on Cannabis Seeds |
|---|---|
| 80 – 100% | Seeds begin growing. |
| 40 – 60% | Seeds increase respiration and storage fungi become major problem. |
| 20 – 30% | Short-term storage. |
| 18 – 20% | Mid-term storage. |
| 12 – 14% | Extended storage. |
| 8 – 9% | Lower longevity than seeds kept at moderately higher humidity. |
Seeking advice on controlling humidity for your plants? The Grow Guide provides key tips for keeping healthy development environments.
Storage Methods to Store Your Cannabis Seeds
For temporary storage, a dark cupboard or drawer with consistent temperatures is typically fine. Try to keep your seeds out of areas of your house that are susceptible to the natural temperature changes of your area environment.
If, for example, you reside in a region with very high daytime temperatures and cool nights, try to protect your seeds from these changes and don’t keep them outside in garages or garage.
For extended storage, it’s recommended to keep your seeds with a desiccant, such as silica gel, in a sealed container inside the icebox. Remember that using the door of your refrigerator can actually create some pretty major temperature shifts. If you own have a second fridge that gets accessed less often than the one in your kitchen, use that one to preserve your seeds.
Again, if possible, keep your seeds in their original packaging. If you do unseal a pack of seeds and have leftovers, transfer the extra seeds directly into a sealed container.
Ziplock bags, for example, are great because you can extract all the air from them to create an almost vacuum-sealed container for your seeds. Once packaged, put your bag inside a dark plastic bag or black container to guard your seeds from your refrigerator light.
Dry fridges are the best to store seeds. The problem is when there is dampness in the fridge, since humidity is the biggest enemy for seeds (more harmful than temperature, light, oxygen…). For this reason, it is better to store the seeds in No Frost fridges.
Can You Preserve Seeds in the Freezer?
Yes, cannabis seeds can be kept in the freezer. The colder the temperature, the less quickly they decline. However, it’s typically not essential to freeze your seeds. Maintain the conditions we detailed above, and you should be able to preserve your seeds for up to 5 years and still get excellent germination rate.
Knowing Which Seeds to Plant and Which to Store
When you’re ready to sprout your seeds, inspect them and germinate any seeds with harm to the outer shell first. The outer shell of your seeds is designed to protect the delicate genetics inside. Seeds with breaks in the outer shell are much more vulnerable and won’t be stored.
At Royal Queen Seeds, we take pride in our work and want to guarantee every grower only has the finest genetics in their garden. That means we inspect all of our seeds before packaging. If you find any damage to your RQS seeds, https://nativesusa.com/ – https://nativesusa.com, contact with our customer service team immediately.
Techniques for Germinating Older Cannabis Seeds
We’ve all found an odd seed somewhere at the depths of old drawer or cupboard. Here are some tips on how to sprout weed seeds:
Pre-treatment with fortified carbonated water
Before germinating your old seeds, try soaking them in carbonated water enriched with fulvic acid, enhancers, hydrogen peroxide, or gibberellic acid. For optimal results, use ambient water and soak your seeds for half a day in dim place.
Scratch your seeds
Aged seeds often have an extra tough outer shell. Gently scratching this shell with fine sandpaper can help moisture and warmth reach your seed at the time of germination. Try lightly scarring your old cannabis seeds just before immersing to help them grow.
Remove your seed’s ridge
The ridge is the slightly elevated side of your seed. Like other parts of the shell, this ridge can become extremely tough over time. Eliminating it gently with a sharp Stanley blade can help your seed germinate.
Slice open your seed
In a last attempt to grow your seeds, creating a small cut in the shell may help. However, this is no magic solution, and you’ll need to be gentle to avoid damaging the inside of your seed. If you damage the embryo, the seed will never germinate.
Remember, some old seeds just won’t sprout no matter how hard you try. When possible, avoid getting more seeds than you plan to plant so as to avoid having any issues at the time of germination.




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