When to plant Thyme in Zone 12b
In Zone 12b, Thyme: start seeds indoors around Nov 6–Nov 20; transplant outdoors around Jan 1–Jan 15. Expect to harvest around Mar 22–Apr 5.
| Step | When |
|---|---|
| Start seeds indoors | Nov 6 – Nov 20 |
| Transplant outdoors | Jan 1 – Jan 15 |
| Harvest | Mar 22 – Apr 5 |
Tip: Perennial in most zones. Loves lean, well-drained soil — don't overwater or overfeed.
Zone 12b averages a last spring frost around Jan 1 and a first fall frost around Dec 31. These are zone averages — look up your ZIP for your exact area.
See the full Zone 12b calendar in the tool →