alwazeroom4more, The Pawpaw,Asimina triloba doesn't have a separate male and female plant.It's the way the flowers are timed to be fertile that causes them to need another variety to produce fruit.The Sunflower variety is about the only one I've heard to be self fertile. There are other species related to Asimina triloba (Asimina incarna, A. longifolia, A. obovata, A. parviflora, A. pygmaea, A. reticulata, A. tetramera, A. X nashii)that grow more in the Southeastern US.Asimina Triloba requires about 400 chill hours. I have some seedlings,three varieties of A.triloba,but not sure if they are compatible in your zone. Oregon Grape also grows around here in abundance. Brady

OK people. Illini are hardy to -23 degrees. They are an upright thorned variety. I've had them for ten years. They produce extremely well and fruit heavy when I mulch them VERY thickly with goat manure bedding. They were developed to send out very few shoots. I give my shoots to friends; when we are fortunate to have a runner to two. I grow mine using the same technique as for grapes. In rows 3 feet apart. I put in two poles about 10 feet apart. I run cloths line about 1 and 2 feet about ground. I take the canes and weave them into the line. This makes picking the berries a breeze. I'm in zone 6A. I should mention they like well drained loamy soil. Mine are planted on a hill in red clay, and as I said, I lay a thick layer of goat manure bedding, maybe up to a foot deep.

Geum triflorum, PRAIRIE SMOKE. Joe

There are so many varieties of wild grapes (hundreds) I find it almost impossible to identify most of them. Generally you can fit them into a broad category at best. Then there's the possibility that it's not wild and was planted by a previous owner. Since you said they are growing near a stream I'm going to guess they have a thick dark purple skin (when ripe) and VERY tart flavor. I've found such a variety growing near streams in my area as well. I tried desperately to identify it but with little luck. I narrowed it down to some sort of stream bank grape. If you want to take a shot at it, base the identification mainly off of the leaves, as all varieties are slightly different.