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Late Boneset

Eupatorium serotinum

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Category
Forb / Wildflower
Sun
Full to Partial
Soil moisture
Medium-Wet to Medium-Dry
Bloom time
Aug–Oct
Bloom color
White

About Late Boneset

Late Boneset is the unsung hero of the autumn landscape, providing a critical late-season nectar source when many other blooms have faded. Often referred to as Late-flowering Thoroughwort, this vigorous perennial typically reaches heights of 3 to 6 feet, topped with a frothy canopy of small, creamy white flower heads from August through October. Its lance-shaped, sharply toothed leaves are arranged oppositely along the stems, distinguishing it from its earlier-blooming cousins. Native to a wide range of habitats across the eastern and central United States, Late Boneset is remarkably adaptable, thriving in everything from moist prairies and floodplains to disturbed roadsides and old fields. It is a favorite of honeybees, native bees, and migrating butterflies, serving as a bustling hub of activity in the fall garden. This plant is exceptionally easy to grow, tolerating a variety of soil types from medium-wet to medium-dry in full sun or partial shade. Whether used as a backdrop in a native border or as part of a restoration project, Late Boneset offers reliable performance and vital support for the ecosystem.

Native range

Native to 33 states:

AlabamaArkansasConnecticutD.C.DelawareFloridaGeorgiaIowaIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMichiganMinnesotaMissouriMississippiNorth CarolinaNebraskaNew JerseyNew YorkOhioOklahomaPennsylvaniaRhode IslandSouth CarolinaTennesseeTexasVirginiaWisconsinWest Virginia

County range map

BONAP county-level native range map for Eupatorium serotinum

Range map courtesy of BONAP (Biota of North America Program).

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