Extraction How long will cannabutter last in the fridge?

[Alaskan1]

I just harvested and was wondering how long cannabutter will last in the freezer and still be potent.
Thanks!

Here's my harvest:

https://www.autoflower.org/f44/lowryder-2-grow-seed-smoke-19648-10.html#post417201

 

[Bgrt]

i would say years at a guess. just finished some off from october and it was still strong.