When to plant Cauliflower
Fussier than broccoli — it needs cool, even conditions. Blanch heads by tying leaves over them.
TypeVegetables
Frost toleranceHalf-hardy (light frost)
Days to maturity~70
When to plant Cauliflower by USDA zone
| Zone | When to plant |
|---|---|
| Zone 1a | Start seeds indoors Apr 27–May 11 Transplant outdoors Jun 1–Jun 15 |
| Zone 1b | Start seeds indoors Apr 22–May 6 Transplant outdoors May 27–Jun 10 |
| Zone 2a | Start seeds indoors Apr 17–May 1 Transplant outdoors May 22–Jun 5 |
| Zone 2b | Start seeds indoors Apr 11–Apr 25 Transplant outdoors May 16–May 30 |
| Zone 3a | Start seeds indoors Apr 6–Apr 20 Transplant outdoors May 11–May 25 |
| Zone 3b | Start seeds indoors Apr 1–Apr 15 Transplant outdoors May 6–May 20 |
| Zone 4a | Start seeds indoors Mar 27–Apr 10 Transplant outdoors May 1–May 15 |
| Zone 4b | Start seeds indoors Mar 22–Apr 5 Transplant outdoors Apr 26–May 10 |
| Zone 5a | Start seeds indoors Mar 17–Mar 31 Transplant outdoors Apr 21–May 5 |
| Zone 5b | Start seeds indoors Mar 12–Mar 26 Transplant outdoors Apr 16–Apr 30 |
| Zone 6a | Start seeds indoors Mar 3–Mar 17 Transplant outdoors Apr 7–Apr 21 |
| Zone 6b | Start seeds indoors Feb 25–Mar 11 Transplant outdoors Apr 1–Apr 15 |
| Zone 7a | Start seeds indoors Feb 17–Mar 3 Transplant outdoors Mar 24–Apr 7 |
| Zone 7b | Start seeds indoors Feb 11–Feb 25 Transplant outdoors Mar 18–Apr 1 |
| Zone 8a | Start seeds indoors Feb 1–Feb 15 Transplant outdoors Mar 8–Mar 22 |
| Zone 8b | Start seeds indoors Jan 25–Feb 8 Transplant outdoors Mar 1–Mar 15 |
| Zone 9a | Start seeds indoors Jan 10–Jan 24 Transplant outdoors Feb 14–Feb 28 |
| Zone 9b | Start seeds indoors Dec 28–Jan 11 Transplant outdoors Feb 1–Feb 15 |
| Zone 10a | Start seeds indoors Dec 13–Dec 27 Transplant outdoors Jan 17–Jan 31 |
| Zone 10b | Start seeds indoors Nov 27–Dec 11 Transplant outdoors Jan 1–Jan 15 |
| Zone 11a | Start seeds indoors Nov 13–Nov 27 Transplant outdoors Dec 18–Jan 1 |
| Zone 11b | Start seeds indoors Nov 13–Nov 27 Transplant outdoors Dec 18–Jan 1 |
| Zone 12a | Start seeds indoors Nov 13–Nov 27 Transplant outdoors Dec 18–Jan 1 |
| Zone 12b | Start seeds indoors Nov 13–Nov 27 Transplant outdoors Dec 18–Jan 1 |
| Zone 13a | Start seeds indoors Nov 13–Nov 27 Transplant outdoors Dec 18–Jan 1 |
| Zone 13b | Start seeds indoors Nov 13–Nov 27 Transplant outdoors Dec 18–Jan 1 |