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
Browse 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.
Does Roundleaf Thoroughwort fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.