When to plant Cucumber in Zone 9b
In Zone 9b, Cucumber: start seeds indoors around Jan 25–Feb 1; transplant outdoors around Feb 22–Mar 1; direct sow outdoors around Feb 22–Mar 8. Expect to harvest around Apr 23–Apr 30.
| Step | When |
|---|---|
| Start seeds indoors | Jan 25 – Feb 1 |
| Transplant outdoors | Feb 22 – Mar 1 |
| Direct sow outdoors | Feb 22 – Mar 8 |
| Harvest | Apr 23 – Apr 30 |
| Harvest | Apr 23 – May 7 |
Tip: Dislikes root disturbance — direct-sow if you can, or use peat pots for transplants.
Zone 9b averages a last spring frost around Feb 15 and a first fall frost around Dec 15. These are zone averages — look up your ZIP for your exact area.
See the full Zone 9b calendar in the tool →