Robert W. Freckmann Herbarium


Because of technology changes and personnel changes at UWSP and the Wisconsin State Herbarium, the database of plant species housed at this site was merged with the database from the OLD WisFlora website to create a new Flora of Wisconsin website at Currently we are encouraging all Wisplant viewers to begin using the Flora of Wisconsin website as soon as possible. Wisplants will remain operational through July 13th. After that date, all traffic to Wisplants will be redirected to the Flora of Wisconsin website.

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  Agastache foeniculum (Pursh) Kuntze image
Photographer: Robert W. Freckmann           

Robert W. Freckmann

Kurt Stüber
Family Lamiaceae
Agastache foeniculum (Pursh) Kuntze
blue giant hyssop, fragrant giant hyssop, lavender giant hyssop
Agastache: from agan, "very much," and stachys, "an ear of corn or wheat," having many spikes
foeniculum: a diminutive of the Latin word foenum, "hay," because of the smell
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, perennial, 1'-3' tall forb with anise or fennel smell; stems square, sometimes branching above
Flower: blue, 5-parted, 1/3" long, slightly irregular, hairy; flower drawing inflorescence a dense whorl of flowers forming cylindrical spikes up to 8" x 1", often interrupted near the base; blooms July-Sept.
Fruit:1-seeded nutlet
Leaf:opposite, whitish beneath, coarsely toothed, largest to 4 1/2 "
Habitat: full to partial sun; dry to moderate moisture; woods, prairies, uplands; in sandy, loamy soil

More Information Natural Communities Herbarium Specimens
All Agastache list Ethnobotany Information Google- Images or Text
Agastache anethiodora (Nutt.) Britton
Stachys foeniculum Pursh

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