Plants We Love: Smooth Ironweed

Plant name: Smooth ironweed, prairie ironweed

smooth ironweed (Vernonia fasciculata)Botanical name: Vernonia fasciculata

Virtues: Easy to grow; blooms late in summer; adds height to flower beds and borders—good background plant; attracts butterflies and bees.

Flowers: Dense clusters of bright purple flowers in late summer to early fall.

Habit: Herbaceous perennial reaching to 5 feet tall. Narrow, unbranched form. Slowly spreads by its roots.

Season: Late summer.

Origin: Wet prairies and marshes of the American Midwest and Great Plains south to Texas.

Cultivation: Prefers full sun and moist to wet soil. Withstands short periods of flooding. Tolerates some share and drier conditions. USDA Zones 4–9.

Read about another type of ironweed

Read more Plants We Love

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