Anise Hyssop in Zone 5a & 5b
Agastache foeniculum
When to plant anise hyssop in zone 5b
Zones 5a and 5b share the same average frost dates in our data, so this page covers both.
Method: Either: Start indoors for an earlier harvest, or direct-sow outside for less fuss. Anise Hyssop tolerates either.
| Start indoors | Mar 29–Apr 5 |
|---|---|
| Direct sow / transplant outside | May 10–May 17 |
| Estimated harvest | Jul 27–Aug 3 (~78 days after planting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 2-3 ft.
Anise hyssop is a perennial herb in the mint family with a distinctive licorice-mint flavor, grown for its edible leaves and flower spikes as much as for the bees and butterflies it attracts.
How anise hyssop fits zone 5's season
Zone 5b's frost-free window runs about 148 days, from May 10 to October 5. Anise Hyssop needs about 78 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Anise Hyssop.
Where to buy anise hyssop seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing anise hyssop" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 5b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Anise Hyssop in USDA zone 5b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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