Tuberous perennial: Does produce edible tubers but mainly grown for ornamental uses. Has near black foliage & stems w/ trumpet shaped lavender to purple blooms in summer. Attracts hummers. Pot, window box & hanging basket plant. Climbing & vining growth: 6-10" x 18-24". Exposure: sun. Water: mod/dry. Deer & drought tolerant. USDA Z9-12.