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Common Boneset

Eupatorium perfoliatum

Also listed as Eupatorium chapmanii, Cunigunda perfoliata

Also known as Boneset, Thoroughwort, Perfoliate Thoroughwort

herbaceous☀️ full sun💧💧💧 high water❄ Hardy: Zone 3a – Zone 9b

Climate Match for your location

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A native wildflower with distinctive perfoliate (pierced) leaves and flat-topped clusters of small white or pale pink flowers. Historically valued for herbal remedies and now popular for wetland gardens and pollinator support.

Why grow it

Common boneset thrives in consistently moist to wet soils where many ornamental perennials struggle, making it a practical choice for rain gardens, bioswales, and natural wetland restoration. Unlike some moisture-loving natives that require afternoon shade, boneset performs well in full sun to part shade, offering flexibility in site placement. Its late-summer flowering extends the pollinator season after many spring bloomers have faded, and it typically requires minimal maintenance once established in appropriate conditions.

Watch out for

Boneset prefers consistently moist to wet soil and may struggle in dry conditions without supplemental watering during establishment. It spreads vigorously through both seed and rhizomes, so plan for self-seeding in favorable sites or contain it if space is limited. The plant can take a season or two to establish a strong root system before flowering prolifically.

Overview

Form
Upright
Growth Rate
moderate
Size
2–4′ tall × 1.5–3′ wide
Dormancy
deciduous
Family
Asteraceae
Dynamic accumulatorMedicinal

Native to the United States

Native Range

Eastern North America

Native to: Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, Vermont, Wisconsin, West Virginia

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SummerFall

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Companion Planting

Plants well with