Roundleaf Thoroughwort
Eupatorium rotundifolium
Last reviewed: June 2026
Light
full sun
Water
medium
Size
24"–36" H × 6"–18" W
Bloom
Jun, Jul, Aug, Sep, Oct, Nov
Native to
AL, AR, DE, FL and 19 more states
Pollinators
butterflies, bees
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 411 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Roundleaf Thoroughwort is a native Texas perennial that forms upright clumps with rounded leaves and produces clusters of small white flowers from summer through fall. This medium-sized wildflower thrives in full sun with moderate water needs and provides months of reliable blooms. The plant goes dormant in winter, returning each spring with fresh growth.
In an HOA neighborhood
Roundleaf Thoroughwort is an HOA-friendly choice. Maintenance level: low. Tidiness: 2 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
This plant is excellent for pollinators, attracting both butterflies and native bees throughout its extended blooming period. The long flowering season from June through November provides crucial late-season nectar when many other plants have finished blooming.
Common questions
- How much sun does Roundleaf Thoroughwort need?
- Roundleaf Thoroughwort grows best in full sun conditions.
- When does Roundleaf Thoroughwort bloom?
- Roundleaf Thoroughwort blooms in June, July, August, September, October, and November.
- Where is Roundleaf Thoroughwort native?
- Roundleaf Thoroughwort (Eupatorium rotundifolium) is native to AL, AR, DE, FL and 19 more states, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does Roundleaf Thoroughwort attract?
- Roundleaf Thoroughwort draws butterflies and bees.
- Is Roundleaf Thoroughwort HOA-friendly?
- Roundleaf Thoroughwort is generally an HOA-friendly choice in the right placement, with low 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.
Ready to grow Roundleaf Thoroughwort? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz