Hardiness zone.4-8 Grow.Seeds need light to germinate, so barely cover the seeds. They should germinate in 1-4 weeks; cold, moist stratification improves germination. When to plant.Spring Care.Best grown in full sun to part shade,in average,dry to medium moisture,well-drained soils.Tolerates almost any soil, including dry soil.Drought tolerant once established. Use.It is best in informal landscapes, herb gardens, butterfly gardens, or meadows. The flower spikes are lovely additions to fresh-cut or dried arrangements. Agastache foeniculum (Anise Hyssop) is an upright, clump-forming perennial with attractive spikes of small, tubular, lavender to purple flowers from early summer to early fall. Adding lovely vertical lines to the landscape, they are attractive to bees, hummingbirds, butterflies, and beneficial insects. They are borne atop square stems clothed with oval, toothed, dull green leaves, 4 in. long (10 cm). The foliage is aromatic and exudes a pleasant scent of anise when bruised. The leaves may be used to make herbal teas or jellies. Its long flowering season, showy flower spikes, licorice-scented foliage, and deer resistance explain the great popularity of Anise Hyssop among gardeners. It is best in informal landscapes, herb gardens, butterfly gardens, or meadows. The flower spikes are lovely additions to fresh-cut or dried arrangements.