Bulge-Nut| Dec 19, 2008 16:11:00 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Onyxaeon on Dec 19, 2008 16:11:00 GMT -5 Bulge-Nuts are edible, and large quantities can be made into tasty breads. The acid from the nut kills other undergrowth, so it is used as a form of weed killer.