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Boneset

Eupatorium perfoliatum

Last reviewed: August 2026

Boneset (Eupatorium perfoliatum) is a native perennial forb blooming white flowers from July through September across eastern and central North America. This wetland plant attracts bees, butterflies, and beetles in moist soils and partial sun.

Boneset (Eupatorium perfoliatum)
Photo: (c) Thomas Koffel, some rights reserved (CC BY), uploaded by Thomas Koffel

Toxicity unknown

Boneset (Eupatorium perfoliatum) 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"–60" H × 12"–24" W

Bloom

Jul, Aug, Sep

Native to

AL, AR, CT, DE and 33 more states

Pollinators

bees, butterflies, 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.

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Boneset is a tall native wildflower with distinctive white, fuzzy flower clusters that bloom from summer into fall. This sturdy perennial produces clusters of small white flowers atop sturdy stems and prefers consistently moist soil conditions.

Growing Boneset

Grow Boneset in part sun and medium water. Mature plants reach 24 to 60 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

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.

  • Very tall and can appear wild or weedy
  • Dies back completely in winter leaving bare stems
  • Common name 'weed' suffix raises HOA concerns

Wildlife value

Excellent pollinator plant that attracts bees, butterflies, and beetles with its abundant nectar-rich blooms. The late-season flowers provide crucial food sources when many other plants have finished blooming.

Common questions

When does Boneset bloom?
Boneset produces clusters of small white flowers from July through September, providing late-season nectar for pollinators.
What pollinators visit Boneset?
Boneset attracts a variety of pollinators including bees, butterflies, and beetles. Its flat-topped flower clusters provide an accessible landing platform for these insects.
Where is Boneset native?
Boneset is native to most of eastern and central North America, from Maine to Florida and west to North Dakota, Kansas, and Texas.
What growing conditions does Boneset prefer?
Boneset thrives in moist to wet soils and tolerates full sun to partial shade. It naturally grows in wetlands, meadows, and along stream banks.
Is Boneset HOA-friendly?
Boneset takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Boneset? 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