When to Plant Cucumbers in Kansas
Cool, crisp, and perfect for salads and pickling. Cucumbers thrive in warm weather and produce abundantly.
The Short Answer
Kansas Frost Dates
Your planting dates depend on which part of Kansas you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern Kansas | 5b, 6a | Apr 20 - May 5 | Oct 1 - Oct 15 |
| Central Kansas | 6a, 6b | Apr 10 - Apr 25 | Oct 10 - Oct 25 |
| Southern Kansas | 6b, 7a | Apr 1 - Apr 15 | Oct 15 - Nov 1 |
Cucumbers Planting Schedule for Kansas
Northern Kansas (Zones 5b, 6a)
Average last frost: Apr 20 - May 5 · Average first frost: Oct 1 - Oct 15
Central Kansas (Zones 6a, 6b)
Average last frost: Apr 10 - Apr 25 · Average first frost: Oct 10 - Oct 25
Southern Kansas (Zones 6b, 7a)
Average last frost: Apr 1 - Apr 15 · Average first frost: Oct 15 - Nov 1
Growing Cucumbers in Kansas
Cucumbers in Kansas's Climate
Cucumbers thrive in your warm summer months. Direct sow or transplant from mid-May. Production peaks in July-August. Provide trellising for climbing types — vertical growing improves air circulation and reduces disease in the humid conditions common across the Midwest and mid-Atlantic. Succession plant in late June for harvest through September.
Soil Considerations for Kansas
Prairie soils in east — rich and deep. More alkaline and thinner soils in west. Wind erosion can be an issue. Make sure soil has warmed to at least 60°F before planting cucumbers outside.
Kansas Climate & Growing Season
Hot summers with strong winds. Severe thunderstorms and hail risk. Drier in the west. Good growing conditions for heat-loving crops. Cucumbers cannot tolerate any frost, so wait until all frost danger has passed before transplanting outside. Watch local forecasts carefully in spring.
Growing season length varies across Kansas: Northern Kansas (5b, 6a) has a last frost around Apr 20 - May 5, while Southern Kansas (6b, 7a) sees frost end around Apr 1 - Apr 15. This difference matters for cucumbers — transplant timing shifts by several weeks across the state.
Growing Tips
Trellis for straighter fruits and better air circulation. Pick regularly to encourage more production.
Companion Planting
Plant cucumbers alongside these companions for better growth:
Keep cucumbers away from:
The Bottom Line
Last reviewed: March 29, 2026