Prairie ironweed
Vernonia fasciculata
Last reviewed: July 2026
Light
full sun
Water
medium
Size
36"–60" H × 24"–36" W
Bloom
Jul, Aug, Sep
Native to
TX, KS, NE, IA and 1 more states
Pollinators
bees, butterflies
An upright perennial forb with narrow lance-shaped leaves and dense, flat-topped clusters of small, deep magenta-purple flowers in mid to late summer. Prefers moist, fertile soil but adapts to average garden conditions.
In an HOA neighborhood
Prairie ironweed is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 3 out of 5.
Works well in: mid zone, backyard only.
- Tall, upright habit can look unkempt without staking or backing plants in prominent locations
Wildlife value
Vividly colored flower clusters are a strong nectar draw for bees, butterflies, and migrating monarchs.
Common questions
- How much sun does Prairie ironweed need?
- Prairie ironweed grows best in full sun conditions.
- When does Prairie ironweed bloom?
- Prairie ironweed blooms in July, August, and September.
- Where is Prairie ironweed native?
- Prairie ironweed (Vernonia fasciculata) is native to TX, KS, NE, IA and 1 more states, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does Prairie ironweed attract?
- Prairie ironweed draws bees and butterflies.
- Is Prairie ironweed HOA-friendly?
- Prairie ironweed is generally an HOA-friendly choice in the right placement, with moderate maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Prairie ironweed fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.