Agastache foeniculum. Perennial herb. 2-6" spikes of violet blue to blue flowers. The dark green leaves have a licorice scent. Lovely cut flower. Good in borders and herb gardens. Grows 2-4' tall by 1½-3' wide. Blooms mid to late summer. Full sun. Prefers moist, well-drained soil. Zones 4-8.