Agastache foeniculum (Pursh) Kuntze  
Family: Lamiaceae
blue giant hyssop, fragrant giant hyssop, lavender giant hyssop
[Agastache anethiodora (Nutt.) Britton, Stachys foeniculum Pursh]
Agastache foeniculum image
Robert W. Freckmann  
Etymology: Agastache: from agan, "very much," and stachys, "an ear of corn or wheat," having many spikes
Plants: erect, perennial, 1'-3' tall forb with anise or fennel smell; stems square, sometimes branching above
Leaves: opposite, whitish beneath, coarsely toothed, largest to 4 1/2 "
Flowers: 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.
Fruits: 1-seeded nutlet
Habitat: full to partial sun; dry to moderate moisture; woods, prairies, uplands; in sandy, loamy soil
Conservation Status: Native
Agastache foeniculum image
Aaron Carlson  
Agastache foeniculum image
Robert W. Freckmann  
Agastache foeniculum image
Agastache foeniculum image
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