Za'atar Oregano in Zone 10a & 10b
Origanum syriacum
Yes, za'atar oregano grows in zones 10a and 10b. Start seeds indoors Dec 5–Dec 12 and plant out Feb 13–Feb 20.
When to plant za'atar oregano in zone 10b
Zones 10a and 10b share the same average frost dates, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. It needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Dec 5–Dec 12 |
|---|---|
| Direct sow / transplant outside | Feb 13–Feb 20 |
| Estimated harvest | May 14–May 21 (~90 days after transplanting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 1-2 ft.
Plant alongside it in zone 10b
These go outside within two weeks of za'atar oregano in zone 10b, so one planting day can cover them.
- BasilFeb–Aug
- RosemaryFeb–Apr
- BorageJan 30–Feb 6
- TobaccoFeb 13–Feb 20
- Citronella Plant (Mosquito Plant)Feb 6–Feb 13
- CuminFeb 20–Feb 27
Za'atar is both a spice blend and a plant, and the two get confused. The blend contains sumac, sesame and salt alongside the herb. The plant is Origanum syriacum, and this profile is about the plant.
How za'atar oregano fits zone 10's season
Zone 10b's frost-free window runs about 324 days, from January 30 to December 20. Za'atar oregano needs about 90 days from transplant to first harvest.
Za'atar Oregano planting windows in every zone
Zone 10b is highlighted. Useful for comparing against a neighbouring zone, or for a garden somewhere else.
| Zone | Start indoors | Sow or plant out | Harvest |
|---|---|---|---|
| 4a & 4b | Mar 20–Mar 27 | May 29–Jun 5 | Aug 27–Sep 3 |
| 5a & 5b | Mar 15–Mar 22 | May 24–May 31 | Aug 22–Aug 29 |
| 6a & 6b | Feb 28–Mar 7 | May 9–May 16 | Aug 7–Aug 14 |
| 7a & 7b | Feb 13–Feb 20 | Apr 24–May 1 | Jul 23–Jul 30 |
| 8a & 8b | Jan 28–Feb 4 | Apr 8–Apr 15 | Jul 7–Jul 14 |
| 9a & 9b | Dec 21–Dec 28 | Mar 1–Mar 8 | May 30–Jun 6 |
| 10a & 10b (your zone) | Dec 5–Dec 12 | Feb 13–Feb 20 | May 14–May 21 |
Harvest dates are about 90 days after the sow or plant-out date, not after starting seeds indoors.
Good companions
No well-established companions for za'atar oregano.
Where to buy za'atar oregano seeds
None of the seed suppliers we list carries za'atar oregano seeds right now. A local garden center or a specialty seed house is the place to look.
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing za'atar oregano" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 10b calendar · Plan your beds in the Garden Designer →
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Growing Za'atar Oregano in USDA zone 10b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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