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how to keep marijuana seeds fresh

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Now that we’ve covered how temperature, humidity, light, air, and genetics work against you when it comes to seed storage, let’s cover the best cannabis seed storage methods.

However, you don’t want your seed too dry either. A humidity level of about 5% is the maximum that you want to allow in order to keep the waxy, protective layer surrounding the seed intact without triggering the seed to split open.

If you’re looking to store your seeds long term, vacuum sealing your seeds in thick Mylar bags can keep your seeds viable for up to half a decade. Since the bags are designed for long term storage, they’ll work well for your seeds as long as you make sure they were stored at the right humidity (a desiccant pack helps with this) and away from the light. This is one of the best options if you’re refrigerating your seeds.

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Some cannabis strains (and some specific batches of those strains) naturally produce seeds that are hardier and longer-lasting than others. This plays a role in how long you can expect your seeds to remain viable, so be sure to do some research beforehand.

Much like heat and humidity, light tells that seed to wake up because it’s time to spring forth. Even if it’s a halogen bulb inside your refrigerator and not the sun itself, the seed’s natural optimism can still start the flowering process.

It’s very important that this temperature remains stable for the long term. If you are refrigerating your seeds, your best bet is to place them in a separate unit or a spot near the back. Every time that you open your fridge the temperature fluctuates, which can harm the seeds over time. While it’s up for debate whether freezing seeds is an effective method for long term storage, we don’t recommend it unless you know exactly how to cure and prepare your seeds. Otherwise, the frozen water in the seed’s cells can expand, destroying the cell wall and killing the seed.

Besides being dark, you want to expose your seeds to as little oxygen and carbon dioxide as possible. These gases are what growing plants breathe, as well as the pests that consume them. If you’re refrigerating your seeds, make your container as airtight as possible. If you have some vacuum-sealed plastic on hand, even better.

The best way to temporarily store weed seeds (several days, weeks or months) is to place the seeds in a dark, lockable (plastic) container in the refrigerator.

When storing cannabis seeds properly, your seeds remain fresh and viable. Curious how to take care over storing cannabis seeds, and how long you can preserve your weed seeds? Read on and learn how to store weed seeds!

Of course, it’s also possible that you have bought several cannabis seeds and that you want to keep a part for, for example, next year. The best way to store cannabis seeds for a long term is to freeze the seeds. Make sure you vacuum pack the seeds, place the seeds in a dark lockable (plastic) container and put them in the freezer. If done right, you can store your seeds for years.

Storing cannabis seeds for a short term

To prevent unused cannabis seeds from germinating or getting damaged, you have to store weed seeds in a cool, dark and moisture-free place.

Cannabis seeds can withstand very low temperatures, but air humidity and fluctuations in temperature should be avoided at all times. Keep in mind that marijuana seeds are living organisms. When the seed makes contact with water, the nutrients in the seed that trigger the germination process will be released.

Once you have received your ordered cannabis seeds, most growers start their grow right away. After all, your seeds are fresh, and you want to prevent the cannabis seeds from germinating in an uncontrolled way. However, if you can not or do not want to start with your cultivation immediately, it is important to store the seeds properly.

Please note: once you have decided to use the marijuana seeds, place the seeds in the box for 6 hours outside the refrigerator, so the seeds calmly reach room temperature.