When to plant Cucumber in Zone 5b
In Zone 5b, Cucumber: start seeds indoors around Apr 9–Apr 16; transplant outdoors around May 7–May 14; direct sow outdoors around May 7–May 21. Expect to harvest around Jul 6–Jul 13.
| Step | When |
|---|---|
| Start seeds indoors | Apr 9 – Apr 16 |
| Transplant outdoors | May 7 – May 14 |
| Direct sow outdoors | May 7 – May 21 |
| Harvest | Jul 6 – Jul 13 |
| Harvest | Jul 6 – Jul 20 |
Tip: Dislikes root disturbance — direct-sow if you can, or use peat pots for transplants.
Zone 5b averages a last spring frost around Apr 30 and a first fall frost around Oct 5. These are zone averages — look up your ZIP for your exact area.
See the full Zone 5b calendar in the tool →