You Will Get 5 Seeds Vitis Rotundifolia Purple Muscadine Grape. This vine covers itself in clusters of sweet purple grapes, that are good for eating fresh, although they can also be used to make jelly, juice, or wine.. They are hardy to at least USDA zone 7.. This is an excellent plant for ornament as well as fruit production.. These plants would make excellent additions to your rare plant collection, or just make a unique statement in your yard.