GrowZone

Seed-start answer

Start cucumbers seeds indoors around Mar 25

This uses ZIP 64106, the Kansas City frost station, and the Apr 15 last-frost estimate.

Seed starting schedule

Cucumbers dates for Kansas City, MO

StepDateHow to use it
Start IndoorsMarch 25, 2026Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsApril 25, 2026Move hardened-off seedlings outside after the frost-risk window.
Direct SowApril 25, 2026Sow seed outside when the crop and soil can handle the window.