Decorative species with a fragrance resembling a lilac; spreads from underground roots; essential food source for monarch butterfly caterpillars and other beneficial insects.
[…]Showy clump-forming species with tuberous roots; essential food source for monarch butterfly caterpillars.
[…]Decorative rhizomatous species with a fragrance of bubble gum; essential food source for monarch butterfly caterpillars; we observe more chrysalis on this milkweed species than[…]