When to plant Thyme in Zone 6a
In Zone 6a, Thyme: start seeds indoors around Feb 24–Mar 10; transplant outdoors around Apr 21–May 5. Expect to harvest around Jul 10–Jul 24.
| Step | When |
|---|---|
| Start seeds indoors | Feb 24 – Mar 10 |
| Transplant outdoors | Apr 21 – May 5 |
| Harvest | Jul 10 – Jul 24 |
Tip: Perennial in most zones. Loves lean, well-drained soil — don't overwater or overfeed.
Zone 6a averages a last spring frost around Apr 21 and a first fall frost around Oct 17. These are zone averages — look up your ZIP for your exact area.
See the full Zone 6a calendar in the tool →