What is the maximum temperature seeds can be stored?

A customer has a question or concerns and I hope we can get some opinions on it, thanks

“What is the maximum temperature seeds can be stored (i.e. 100 degrees Fahrenheit?)”

I don’t think you’re going to get a scientific, rock solid answer to this. I can tell you there’s going to be an inverse relationship between storage temps (and other conditions) and longevity.

I store my seeds in a dark place, in an airtight container with a little rice in it to act as a desiccant. The temps in my neck of the woods rarely exceed 90F. For a couple of years the germination rate is near 100%, after about 5 years it drops to under 50%. Beyond that I usually just chuck them out.

A quick Google or other search engine search for something like “seed storage temperatures” should give you plenty to read.

I hope this helps some.


Wouldn’t storing them with desiccant suck the natural moisture from the germ of the seeds themselves?

I hope this helps and please come join our with us you are welcome here any time.

If stored properly, marijuana seeds can be kept for up to 10 years. This is pretty damn awsome, especially if you’ve created a batch with some great genetics. You’ll want to keep that strain around for as long as you can!

This 10-year-mark doesn’t necessarily apply to all seeds, however. The majority of seeds have a shelf life of around 4 to 5 years. Here are a few ways to preserve your seeds:


Well, it never has seemed to be a problem. Maybe an actual desiccant instead of rice would be a problem.