Authentic Wisconsin.  Tall Boneset - Eupatorium altissimum


Tall Boneset next to bike path pavillion in Verona, Wisconsin  on September 7, 2020.

Above: Tall Boneset next to bike path pavillion in Verona, Wisconsin on September 7, 2020.


Tall Boneset - Eupatorium altissimum

Tall Boneset is a native plant that grows from 3'- 6 1/2' tall in woods, thickets, savannas and glades.

The plant produces a large number of small white flower heads in a large flat-topped array at the top of the plant. The individual white flowers are about 1/8" wide and are star-shaped with 5 triangular petal-like lobes. In the center there is a brown column with long, string-like, white stamens.

Other names: Tall eupatorium, Tall thoroughwort, Upland boneset.

Tall Boneset blooms July-Sept.

Tall Boneset stem next to bike path pavillion in Verona, Wisconsin on September 7, 2020.

Above: Tall Boneset stem next to bike path pavillion in Verona, Wisconsin. (9/07/20)

For more information on Tall Boneset, visit Wikipedia.

Or, for information on Tall Boneset (Eupatorium altissimum) visit the: Wisconsin State Herbarium.


Tall Boneset next to bike path pavillion in Verona, Wisconsin  on September 7, 2020.
Tall Boneset next to bike path pavillion in Verona, Wisconsin  on September 7, 2020.
Tall Boneset next to bike path pavillion in Verona, Wisconsin  on September 7, 2020.
Tall Boneset in UW Arboretum gardens in Madison, Wisconsin on August 17, 2022.
Tall Boneset in UW Arboretum gardens in Madison, Wisconsin on August 17, 2022.
Tall Boneset in UW Arboretum gardens in Madison, Wisconsin on August 17, 2022.
Tall Boneset in UW Arboretum gardens in Madison, Wisconsin on August 17, 2022.
Tall Boneset in UW Arboretum gardens in Madison, Wisconsin on August 17, 2022.
Tall Boneset in UW Arboretum gardens in Madison, Wisconsin on August 16, 2022.

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Wisconsin Wildflowers


Tall Boneset
Eupatorium altissimum


Tall Boneset next to bike path pavillion in Verona, Wisconsin on September 7, 2020.

Tall Boneset next to bike path pavillion in Verona, Wisconsin on September 7, 2020.

Tall Boneset next to bike path pavillion in Verona, Wisconsin on September 7, 2020.


Above: Tall Boneset next to bike path pavillion in Verona, Wisconsin. (9/07/20)


Tall Boneset in UW Arboretum gardens in Madison, Wisconsin on August 16, 2022.

Tall Boneset in UW Arboretum gardens in Madison, Wisconsin on August 16, 2022.


Above: "Tall Boneset in UW Arboretum gardens in Madison, Wisconsin. (8/16/22)


Tall Boneset specimen collected in Jefferson County in the Blue Springs Oak Opening State Natual Area on September 22, 1989.

Above: Tall Boneset specimen collected in Jefferson County in the Blue Springs Oak Opening State Natual Area on September 22, 1989.


1913 Tall Boneset illustration.


Above: 1913 Tall Boneset illustration.


Other Boneset:


Common Boneset along shore of Lake Wingra on Arboretum Drive in Madison, Wisconsin on September 2, 2021.


Above: Common Boneset on shore of Lake Wingra on Arboretum Drive in Madison, Wisconsin. (9/2/21)


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