I haven't tried it yet but have been wanting to. I think groats are buckwheat (i.e., the whole grain version instead of flour)?
I think they recommend in general to keep whole grains refrigerated as the oils can go rancid. I think probably if your kitchen is not too hot and you're not storing them a long time, it probably doesn't matter too much.
Like aradajnos said, it's not the same as wheat, even though wheat is in the name. I believe it's gluten-free, which means you couldn't simply substitute buckwheat flour for whole wheat flour and get the same results.
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Last edited by JulieJ08; 09-23-2009 at 12:37 PM.