When to plant Thyme
Perennial in most zones. Loves lean, well-drained soil — don't overwater or overfeed.
TypeHerbs
Frost toleranceHardy (hard frost)
Days to maturity~80
When to plant Thyme by USDA zone
| Zone | When to plant |
|---|---|
| Zone 1a | Start seeds indoors Apr 20–May 4 Transplant outdoors Jun 15–Jun 29 |
| Zone 1b | Start seeds indoors Apr 15–Apr 29 Transplant outdoors Jun 10–Jun 24 |
| Zone 2a | Start seeds indoors Apr 10–Apr 24 Transplant outdoors Jun 5–Jun 19 |
| Zone 2b | Start seeds indoors Apr 4–Apr 18 Transplant outdoors May 30–Jun 13 |
| Zone 3a | Start seeds indoors Mar 30–Apr 13 Transplant outdoors May 25–Jun 8 |
| Zone 3b | Start seeds indoors Mar 25–Apr 8 Transplant outdoors May 20–Jun 3 |
| Zone 4a | Start seeds indoors Mar 20–Apr 3 Transplant outdoors May 15–May 29 |
| Zone 4b | Start seeds indoors Mar 15–Mar 29 Transplant outdoors May 10–May 24 |
| Zone 5a | Start seeds indoors Mar 10–Mar 24 Transplant outdoors May 5–May 19 |
| Zone 5b | Start seeds indoors Mar 5–Mar 19 Transplant outdoors Apr 30–May 14 |
| Zone 6a | Start seeds indoors Feb 24–Mar 10 Transplant outdoors Apr 21–May 5 |
| Zone 6b | Start seeds indoors Feb 18–Mar 4 Transplant outdoors Apr 15–Apr 29 |
| Zone 7a | Start seeds indoors Feb 10–Feb 24 Transplant outdoors Apr 7–Apr 21 |
| Zone 7b | Start seeds indoors Feb 4–Feb 18 Transplant outdoors Apr 1–Apr 15 |
| Zone 8a | Start seeds indoors Jan 25–Feb 8 Transplant outdoors Mar 22–Apr 5 |
| Zone 8b | Start seeds indoors Jan 18–Feb 1 Transplant outdoors Mar 15–Mar 29 |
| Zone 9a | Start seeds indoors Jan 3–Jan 17 Transplant outdoors Feb 28–Mar 14 |
| Zone 9b | Start seeds indoors Dec 21–Jan 4 Transplant outdoors Feb 15–Mar 1 |
| Zone 10a | Start seeds indoors Dec 6–Dec 20 Transplant outdoors Jan 31–Feb 14 |
| Zone 10b | Start seeds indoors Nov 20–Dec 4 Transplant outdoors Jan 15–Jan 29 |
| Zone 11a | Start seeds indoors Nov 6–Nov 20 Transplant outdoors Jan 1–Jan 15 |
| Zone 11b | Start seeds indoors Nov 6–Nov 20 Transplant outdoors Jan 1–Jan 15 |
| Zone 12a | Start seeds indoors Nov 6–Nov 20 Transplant outdoors Jan 1–Jan 15 |
| Zone 12b | Start seeds indoors Nov 6–Nov 20 Transplant outdoors Jan 1–Jan 15 |
| Zone 13a | Start seeds indoors Nov 6–Nov 20 Transplant outdoors Jan 1–Jan 15 |
| Zone 13b | Start seeds indoors Nov 6–Nov 20 Transplant outdoors Jan 1–Jan 15 |