Anise Hyssop in Zone 7a & 7b
Agastache foeniculum
Yes, anise hyssop grows in zones 7a and 7b. Start seeds indoors Feb 27–Mar 6 and plant out Apr 10–Apr 17.
When to plant anise hyssop in zone 7b
Zones 7a and 7b share the same average frost dates, so this page covers both.
Method: Either: Start indoors for an earlier harvest, or direct-sow outside for less fuss. Either works.
| Start indoors | Feb 27–Mar 6 |
|---|---|
| Direct sow / transplant outside | Apr 10–Apr 17 |
| Estimated harvest | Jun 27–Jul 4 (~78 days after planting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 2-3 ft.
Plant alongside it in zone 7b
These go outside within two weeks of anise hyssop in zone 7b, so one planting day can cover them.
- BasilApr 24–May 1
- BorageApr 10–Apr 17
- DillApr 3–Apr 10
- RosemaryApr 24–May 1
- American GinsengApr 10–Apr 17
- AniseApr 10–Apr 17
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 7's season
Zone 7b's frost-free window runs about 198 days, from April 10 to October 25. Anise hyssop needs about 78 days from sowing to first harvest.
Anise Hyssop planting windows in every zone
Zone 7b is highlighted. Useful for comparing against a neighbouring zone, or for a garden somewhere else.
| Zone | Start indoors | Sow or plant out | Harvest |
|---|---|---|---|
| 5a & 5b | Mar 29–Apr 5 | May 10–May 17 | Jul 27–Aug 3 |
| 6a & 6b | Mar 14–Mar 21 | Apr 25–May 2 | Jul 12–Jul 19 |
| 7a & 7b (your zone) | Feb 27–Mar 6 | Apr 10–Apr 17 | Jun 27–Jul 4 |
| 8a & 8b | Feb 11–Feb 18 | Mar 25–Apr 1 | Jun 11–Jun 18 |
| 9a & 9b | Jan 4–Jan 11 | Feb 15–Feb 22 | May 4–May 11 |
Harvest dates are about 78 days after the sow or plant-out date, not after starting seeds indoors.
Good companions
No well-established companions for anise hyssop.
Where to buy anise hyssop seeds
Botanical Interests (anise hyssop seeds)
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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)
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Growing Anise Hyssop in USDA zone 7b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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