Purple Giant Hyssop, Agastache scrophulariifolia (Willd.) Kuntze, Minnesota Native Wildflowers, Eloise Butler Wildflower Garden

(Figwort Giant Hyssop). This is a native erect perennial plant growing to 5 feet in height, with a square stem, like most members of the mint family. Branching occurs near the top of the stem resulting is several flower spikes. The inflorescence is a 3 to 18" cylindrical spike containing whorls of tubular flowers. The spike is sometimes interrupted. The flowers are 5-parted, whitish to purplish in color, the corolla is purplish and exceeds the calyx in length. The calyx is green compared to Agastache foeniculum where it is purple. There are 4 long protruding stamens. Leaves are opposite, stalked, with a rounded base and coarse teeth. Leaf stalks and the lower surface of the leaves has fine hair. The mature fruit is a one seed nutlet. The plant grows in open woods and thickets and is very strong-scented. The genus name, Agastache, refers to the many flower spikes of the plant.

	Plants of the Eloise Butler Wildflower Garden
	Common Name	Scientific Name	Plant Family	Garden Location	Prime Season
	Purple Giant Hyssop	Agastache scrophulariifolia (Willd.) Kuntze	Mint (Lamiaceae )	Upland	Late Summer
Other names and notes	(Figwort Giant Hyssop). This is a native erect perennial plant growing to 5 feet in height, with a square stem, like most members of the mint family. Branching occurs near the top of the stem resulting is several flower spikes. The inflorescence is a 3 to 18" cylindrical spike containing whorls of tubular flowers. The spike is sometimes interrupted. The flowers are 5-parted, whitish to purplish in color, the corolla is purplish and exceeds the calyx in length. The calyx is green compared to Agastache foeniculum where it is purple. There are 4 long protruding stamens. Leaves are opposite, stalked, with a rounded base and coarse teeth. Leaf stalks and the lower surface of the leaves has fine hair. The mature fruit is a one seed nutlet. The plant grows in open woods and thickets and is very strong-scented. The genus name, Agastache, refers to the many flower spikes of the plant.