USDA Hardiness Zone 3-9
Milkweed has fragrant purple / pink flower clusters on a 3-5 ft stem. It is a critical plant for the Monarch butterfly as its the only food source for Monarch larvae. It spreads readily by seed, prevented by harvesting the seed pod before release. Also spreads through rhizomes below ground and if unchecked can form colonies.
Milkweed is a critical food source of the Monarch butterfly!!!