Does anyone know of a group which does vegetable seed exchanges, in the Carolinas? I'm interested in heirloom and open-pollinated seeds. I figure I'll collect seeds from my heirloom varieties in the fall. But, would love to go in with others to buy a bunch of varieties and share, since we only need 4-6 seeds of any of them. I'll order a bunch of seeds first of the year also. And we'll have more…