Agastache are equally good in the border, and as a candidate for container growing. The better the drainage the happier the plant. Scented foliage is good for flavoring drinks and drying. A customer advises us that her Goldfinches are wild for Agastache seed.
Most will self sow to spread, so deadhead to prevent seeding. Cut to about 6" in late fall and remove debris. Remove unwanted seedlings in spring. To promote strong stems, avoid too much water and fertilize only once a year in fall.