Typically grown as an annual, sweet potato vine is a perennial in warmer regions ... back to propagate the plant elsewhere.

Rough potato (Metaplexis japonica) is a non-native plant that was found ... Black swallow-wort (Cynanchum louiseae) is an herbaceous perennial vine on Minnesota’s Prohibited - Eradicate noxious weed ...

Vines can grow 6 feet long and in a variety of habitats including full sun, and full shade. Flowers have 5 dark purple petals and are 1/8 inch with a yellow center. Seed pods are smooth and slender, 2 ...