Riverbank Grape, Vitis riparia - A high climbing woody vine, native to southeastern Canada and much of the eastern half of the United States.Similar to Fox Grape but with smaller black or purple fruit from August - September. Soil/Site: moist to well-drained fertile soils, floodplain forests, stream banks and fencerows. Spacing: 1-2'; Flowers: late spring. Wildlife value: game birds, fox, rabbit and songbirds. Seed source: New Hampshire