River Bank Grape or Frost Grape Vitaceae: Long vines with dark blue-purple fruits. Grows well on a chain link fence and the fruits are loved by birds in fall and winter. The fruits can be made into tasty jellies and jams when fully ripe. Seeds are good sized and seedlings have a good growth rate, but plants will need a few years of growth before they are larger enough to flower.
Native to eastern North America. Soak seeds for 24 hours in warm water. Cold stratify in moist peat or perlite for 6 to 12 weeks (store at 24-37F while the seeds are moist) or sow and keep outside in a protected location over winter. Move to 65-74F for germination in a few weeks. Repeat the above regime for any ungerminated seeds the secound year.