Above: Common Mullein along bank of Marion Dunn Pond in Madison, Wisconsin. (6/26/20).
Common Mullein - Verbascum thapsus
Common Mullein was introduced, naturalized and is potentially invasive. It likes disturbed sites.
In it's first year of growth, Common Mullein produces a rosette of leaves. The second-year plants normally produce a single unbranched stem. The flower stalk grows between 5-10 feet tall and produces small yellow, 5-petaled flowers that are grouped densely on the leafy spike. It blooms June - September.
Other names: Great mullein, Wooly mullein, Flannel plant, Giant mullein
For more information on the Common Mullein, visit Wikipedia.
Or, visit the UW-Madison Wisconsin State Herbarium website page about Common Mullein.
Or, visit the UW-Madison Master Gardener Program website page about Common Mullein.
Above: Common Mullein on shore of Marion Dunn Pond on December 26, 2020
Above: Common Mullein on shore of Marion Dunn Pond on January 21, 2021
Above: Common Mullein specimen collected on the campus of the UW-Platteville on October 9, 1977.
Above: Common Mullein botanical illustration.
Above: Common Mullein 1497 botanical illustration.
Above: Common Mullein 1828 botanical illustration.