Sow agastache seeds in average, well-drained soil in full sun in spring after danger of heavy frost or in late summer 12 weeks before ground freezes. Sow seeds evenly and thinly and cover with 1/4" of fine soil. Firm lightly and keep evenly moist.
How to Grow
Seedlings emerge in 14-21 days. Blooms in Summer-Fall. Agastache plants tend to be a short-lived perennial, but it will reseed where it is happy.
Use the anise-flavored leaves and flowers as a seasoning or to make a tea. Agastache flowers also attract many interesting insects, including honeybees. You can also use them to make a beautiful fresh or dry arrangement.