When to plant Cucumber in Zone 10a
In Zone 10a, Cucumber: start seeds indoors around Jan 10–Jan 17; transplant outdoors around Feb 7–Feb 14; direct sow outdoors around Feb 7–Feb 21. Expect to harvest around Apr 8–Apr 15.
| Step | When |
|---|---|
| Start seeds indoors | Jan 10 – Jan 17 |
| Transplant outdoors | Feb 7 – Feb 14 |
| Direct sow outdoors | Feb 7 – Feb 21 |
| Harvest | Apr 8 – Apr 15 |
| Harvest | Apr 8 – Apr 22 |
Tip: Dislikes root disturbance — direct-sow if you can, or use peat pots for transplants.
Zone 10a averages a last spring frost around Jan 31 and a first fall frost around Dec 28. These are zone averages — look up your ZIP for your exact area.
See the full Zone 10a calendar in the tool →