Honeyvine Milkweed What is it? Honeyvine milkweed (Cynachum laeve) is a perennial, deciduous, vining member of the milkweed family, Asclepiadaceae. It is native to the United States and can serve as a host for monarch butterfly larvae. Honeyvine milkweed tends to be more problematic in production systems with reduced or no tillage, including perennial fruits.[Read More…]