When to plant Oregano in Zone 10b
In Zone 10b, Oregano: start seeds indoors around Nov 20–Dec 4; transplant outdoors around Jan 15–Jan 29. Expect to harvest around Apr 5–Apr 19.
| Step | When |
|---|---|
| Start seeds indoors | Nov 20 – Dec 4 |
| Transplant outdoors | Jan 15 – Jan 29 |
| Harvest | Apr 5 – Apr 19 |
Tip: Hardy perennial; flavour is strongest in full sun and poor soil. Trim before it flowers.
Zone 10b averages a last spring frost around Jan 15 and a first fall frost around Dec 31. These are zone averages — look up your ZIP for your exact area.
See the full Zone 10b calendar in the tool →