Find out what kind of oaks live in your area. Most people don't have the land necessary to grow their own oaks. Most of them get VERY large, and they produce a lot of shade that could be put to better use for providing food. Oaks also take years to start producing acorns.

Your local arboretum should be able to provide quite a bit of info on the local types.

I think most of the white oaks grow up here in WA & OR, and in N. CA.

To tell the truth, I would be have to be pretty desperate to go through all that labor to make them edible. Cattails would be easier.

Sue