Perennial flower
Anise Hyssop plant profile
Agastache foeniculum
A perennial flower for full sun.
Last updated .
When to plant
When to plant Anise Hyssop
Plant in full or partial sun in well-drained soil and space 12 to 36 inches apart, propagating by division in spring or fall. It self-seeds and usually overwinters well where soil drains freely.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open Anise Hyssop in my garden calendarShows the source-backed planting season, not frost-adjusted dates.
Growing conditions
- Sun
- Full sun
- Lifecycle
- Perennial
- Spacing
- 12 to 36 in apart
- Hardiness
- Zones 4 to 8Find my hardiness zone
Next steps
Continue with Anise Hyssop
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Agastache foeniculum (Anise Hyssop, Hyssop)
NC State Extension Gardener Plant Toolbox. Supports general reference. Checked 2026-06-18.