Hyssop, Meant to Bee® Royal Raspberry AgastacheRoyal Raspberry Agastache is a long blooming perennial with stiffly upright aromatic green foliage that emerges with a burgundy cast. Large flower spikes packed with fragrant rosy purple flowers on burgundy calyxes bloom from mid to late summer attracting butterflies and hummingbirds. The calyxes persist after the blooming stops, extending interest into fall. Flowers best in full sun and moist well drained soils. Drought tolerant. Type: Perennial