How to Propagate frost grape?
Propagate by layering in autumn or hardwood cuttings in late winter

frost grape · Vitis riparia
Also known as: riverbank grape
Grow in full sun, in well-drained, humus-rich, preferably neutral to slightly alkaline soil. Keep watered in dry spells. The fruits of this species are popular with wildlife, though generally too sour for human consumption
Propagate by layering in autumn or hardwood cuttings in late winter