When to plant Cabbage in Zone 9a
In Zone 9a, Cabbage: start seeds indoors around Jan 3–Jan 17; transplant outdoors around Feb 14–Feb 28. Expect to harvest around Apr 25–May 9.
| Step | When |
|---|---|
| Start seeds indoors | Jan 3 – Jan 17 |
| Transplant outdoors | Feb 14 – Feb 28 |
| Harvest | Apr 25 – May 9 |
Tip: Start indoors and transplant while it's still cool. Steady moisture prevents split heads.
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 →