How much sun does Rough Boneset need?

Rough Boneset grows best in part sun conditions.

When does Rough Boneset bloom?

Rough Boneset blooms in July, August, and September.

Where is Rough Boneset native?

Rough Boneset (Eupatorium pilosum) is native to AL, CT, DE, FL and 16 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does Rough Boneset attract?

Rough Boneset draws bees, butterflies, wasps, and beetles.

Is Rough Boneset HOA-friendly?

Rough Boneset takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Rough Boneset

Name: Pollinator Patch
Author: Pollinator Patch

Eupatorium pilosum

Last reviewed: August 2026

Toxicity unknown

Rough Boneset (Eupatorium pilosum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part sun

Water

medium

Size

24"–48" H × 12"–24" W

Bloom

Jul, Aug, Sep

Native to

AL, CT, DE, FL and 16 more states

Pollinators

bees, butterflies, wasps, beetles

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 445 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Piedmont Northeastern Highlands Northeastern Coastal Zone Middle Atlantic Coastal Plain Northern Piedmont Southeastern Plains Blue Ridge Ridge and Valley Eastern Temperate Forests Southern Coastal Plain Atlantic Coastal Pine Barrens

Rough boneset is a native perennial wildflower that produces clusters of small white flowers from summer through early fall. It grows in an upright, somewhat bushy form and naturally spreads to form small colonies over time.

In an HOA neighborhood

Rough Boneset takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Has a wild, weedy appearance that most HOAs would reject
Can look scraggly when not in bloom
Name includes 'rough' which reflects its informal texture

Wildlife value

This plant is excellent for supporting native bees, butterflies, and other beneficial insects during its long bloom period. The flowers provide nectar while the seeds attract birds in fall and winter.

Common questions

How much sun does Rough Boneset need?: Rough Boneset grows best in part sun conditions.
When does Rough Boneset bloom?: Rough Boneset blooms in July, August, and September.
Where is Rough Boneset native?: Rough Boneset (Eupatorium pilosum) is native to AL, CT, DE, FL and 16 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Rough Boneset attract?: Rough Boneset draws bees, butterflies, wasps, and beetles.
Is Rough Boneset HOA-friendly?: Rough Boneset takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Rough Boneset? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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