BerniceC: Ten will do, yup for the first year.I'd be happy with that.This vine was given to me and it's quite huge and has already produced so i'm keeping my fingers crossed.My husband built gee i can't think of what it's called, but anyways,were going to put our picnic table under it.That brings me to memories of the one my Granmother had not a hint of sun on her picnic table,and about 10 degrees cooler.