Anise Hyssop - 36" - Plant 20" apart. Z5-10 Blue violet flower spikes on wonderfully spicy fragrant foliage. Long flowering--Hyssop Equally good in the border, and as a candidate for container growing. The better the drainage the happier the plant. Attractive to hummingbirds and butterflies, with minty aromatic foliage. A customer advises us that her Goldfinches are wild for Agastache. Equally good in the border, and as a candidate for container growing. The better the drainage the happier the plant. Attractive to hummingbirds and butterflies, with wonderfully spicy fragrant licorice scented foliage. A customer advises us that her Goldfinches are wild for Agastache seed. Most Agastache will self seed readily.