Agastache rugosa, commonly called purple giant hyssop, is an upright, clump-forming, herbaceous perennial that typically grows to 2-3' tall. Leaves and flowers are aromatic.
Easily grown in average, medium moisture, well-drained soils in full sun to part shade. Best in full sun. Good soil drainage is essential. Plants tolerate heat and some dry soils once established. Deadhead spent flowers to promote additional bloom.
Flowers are attractive to bees, hummingbirds and butterflies.
Deer resistant.