Arisaema taiwanense Colocasia and the tropical herbaceous perennial

and the tropical herbaceous perennial Strelitzia reginae

The 30" wide clump is topped with purple

The common name cast iron plant speaks to their durability in less than ideal conditions

In 3 years you could expect a 2' wide groundcover mass

Arisaema taiwanense Colocasia and the tropical herbaceous perennialIf you haven't grown A. taiwanense, you haven't lived! This stunning cobra lily emerges in spring as a thick, 30" tall, snakeskin colored stalk of light green with dark black blotches. Atop the stem sits a perfectly radial leaf, with 1' long leaflets, emerging like spokes on a wheel, each ending as a drooping thread. The flower emerges from the ground to form a giant grim reaper like black purple hood with a long threadlike tongue emerging from the