Agastache cusickii Cusicks Giant Hyssop, Cusicks Giant Horsemint

Agastache cusickii is a dwarf perennial forb, usually 4 to 8" (10-20cm) tall with a spiked inflorescence. Numerous simple or branched stems arise from a woody taproot and branching caudex. The leaves are mostly 0.4-1.0" (1-2.5cm) in length and are finely puberulent. The fruits are nutlets, and its blooming period is from June- August. It is commonly known as Cusicks giant hyssop, giant hyssop, horsemint, Cusick's horsemint, and by the scientific synonyms of Agastache cusickii Heller and Lophanthus cusickii Greenman. It is typically found in the Steens mountains of southeast Oregon, the Santa Rosa, White Pine, and Toiyabe mountains of north and central Nevada, and the Tendoy mountains in southwest Montana. It is also found in numerous locations in central Idaho.

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