Did you know that the life of stored weed seeds doubles in time for every 5 degree Celsius reduction in temperature? Yeah, temperature is by far one of the most important factors here.
On that same note, even if the seeds do not germinate, excessive humidity can cause the seeds to literally rot, which will make them totally unviable for germination. Therefore, you need to keep them somewhere very dry.
Yes, to keep weed seeds cool, many people will put them in the fridge or freezer, which is fine in terms of cool, and even dark for the most part, as there is no light inside of a fridge or freezer.
However, you really never know until you try. So, choose your favorite method of weed seed germination, and give it a go. If you do it properly, it should take no longer than 3 days for them to sprout.
Let’s move on and talk about how exactly to store your cannabis seeds so they stay viable for as long as humanly possible.
Make sure your bargain isn’t going to cost you and ensure the viability of your seeds when planting time arrives with proper seed storage. It doesn’t take much, especially if you are storing seeds short term (less than two years).
So, there you finally have your answer as to how long do marijuana seeds last. Properly storing your seeds takes a little more effort than one would think but I ensure you, that extra care will pay off.
How to Store Marijuana Seeds
Mother Nature’s designed them to respond to their environment within particular heat and moisture to signal the seed when it’s time to germinate.
The short answer is several years or up to 5 years, depending on the circumstances.
If you’ve read our previous article on why you should grow your own marijuana, you learned that growing your own weed is fun, cheaper in the long run, and a sure way to never run out of something to smoke.