Tuberous perennial: Does produce edible tubers but mainly grown for ornamental uses. Has heart-shaped chartreuse foliage with trumpet shaped lavender to purple blooms in summer. Attracts hummingbirds. Pot, window box & hanging basket plant. Vigorous & vining: 6-10" x 18-24". Sun. Water: mod/dry. Deer & drough tolerant. USDA Z9-12.