Okay, so they are a hybrid (cross) between bunch grapes and muscadine grapes, but in my ignorant opinion, they take mostly after the bunch grape side of the family. Mine have already fruited and my muscadines have just started flowering/baby fruitlets. I eat red grapes from the store, and I find these to be at least as good as those (which for S FL is awesome...not napa valley, y'know)...only difference is they can be slightly smaller and of course, they have seeds.
I just put two wires along my fence at about 3 ft and 6 ft from the ground, and tied the new growth to the wires for the past year and a half...then this year, I just had loads of bunches of grapes, and then the leaves pushed out and covered the fruit some....pretty easy. I am a big fan, at least in fruiting year 1!
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Thanks for the information. Based on everyones pick I was thinking the same thing on how they seemed more like a bunch.