Authentic Wisconsin.  American Water Horehound - Lycopus americanus


American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 4, 2021.


Above: American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin. (9/04/21).


American Water Horehound - Lycopus americanus

American Water Horehound is a native perennial plant that grows from 4" - 40" tall. American Water Horehound likes moist areas like lake shores.

American Water Horehound has small dense cluster of small white flowers that are about 1/8" wide. They are arranged in whorled clusters (similar to Field mint and Motherwort) from the leaf axils along the stem.

Blooms July - September.

Other Names: Common Water-horehound, American Bugleweed, Cut-leaved Bugleweed.

American Water Horehound leaves on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 11, 2021.


Above: American Water Horehound leaves are deeply lobed, 3 1/3" long and 1 1/2" wide". They become progressively smaller as they ascend the stem.


For more information on American Water Horehound, visit Wikipedia.

Or, visit the UW-Madison Wisconsin State Herbarium website page about American Water Horehound - Lycopus americanus.


American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 4, 2021.
American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 4, 2021.
American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 4, 2021.
American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 4, 2021.
American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 4, 2021.
American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 4, 2021.
American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 4, 2021.
American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 5, 2021.
American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 5, 2021.
American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 11, 2021.
American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 11, 2021.
American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 11, 2021.

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Wisconsin Wildflowers


American Water Horehound
Lycopus americanus


American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin on September 11, 2021.

Above: American Water Horehound on the shore of Lake Wingra in Vilas Park in Madison, Wisconsin (9/111/21).


American Water Horehound specimen collected near St. Croix Falls, Wisconsin on River Road on August 1, 1928.

Above: American Water Horehound specimen collected near St. Croix Falls, Wisconsin on River Road on August 1, 1928.


1913 American Water Horehound illustration.

Above: 1913 American Water Horehound illustration.



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