When to plant Oregano in Zone 9a
In Zone 9a, Oregano: start seeds indoors around Jan 3–Jan 17; transplant outdoors around Feb 28–Mar 14. Expect to harvest around May 19–Jun 2.
| Step | When |
|---|---|
| Start seeds indoors | Jan 3 – Jan 17 |
| Transplant outdoors | Feb 28 – Mar 14 |
| Harvest | May 19 – Jun 2 |
Tip: Hardy perennial; flavour is strongest in full sun and poor soil. Trim before it flowers.
Zone 9a averages a last spring frost around Feb 28 and a first fall frost around Dec 5. These are zone averages — look up your ZIP for your exact area.
See the full Zone 9a calendar in the tool →