How Long Is Sunflower Seed Butter Good For?

How Long Is Sunflower Seed Butter Good For? Sunflower butter lasts 1 year after the date of manufacture according to the SunButter website. Homemade nut and seed butter can last up to one month in the refrigerator and should not be stored at room temperature. Does sunflower butter need to be refrigerated after opening? SunButter