Climate matters. This page is a practical baseline. Confirm cultivar, local frost/heat conditions, mature size and regional restrictions before planting.
Cucumber — Growing reference
| Scientific name | Cucumis sativus |
|---|---|
| Seed germination (days) | 3–10 |
| Soil temperature for germination (°C) | 15.6–35 |
| First harvest or flowering (days) | 50–70 |
| Measured from | Seed |
| Plant spacing (cm) | 30.5–45.7 |
| Mature height (cm) | 30.5–152.4 |
| Mature spread (cm) | 45.7–121.9 |
| USDA hardiness zones | 3–11 |
| Light | Full sun |
| Water | High |
| Sowing method | Direct sow |
Growing directions
Sow seeds 1 inch deep in hills or rows once soil has warmed to at least 65°F. Cucumbers are high feeders; amend beds with compost and side-dress with nitrogen once vines begin running. Train vines onto a trellis to improve airflow and make harvest easier. Pick slicing types at 6–8 inches and pickling types at 2–4 inches to keep plants productive and prevent bitterness from over-ripe fruit.
Source and local conditions
Typical planning ranges from OpenPlantDB (CC0). Cultivar, climate, season and growing method can change these values. Confirm the seed label and local guidance before planting.
Source & verification
OpenPlantDB · CC0