How to Grow Cucumber
Cucumis sativus
Cucumbers are fast-growing warm-season vines prized for their crisp texture and versatility in salads, sandwiches, and pickling. Gardeners grow them to enjoy a bountiful harvest of fresh produce that requires minimal effort once established.
📷 Wikipedia: CucumberStarting Cucumber: indoors or direct sow?
🌾 Sow directly in the garden — Cucumber is not usually started indoors.
Do not transplant cucumber seedlings; sow seeds directly into the garden only after all danger of frost has passed and soil temperatures have warmed sufficiently.
Soil, care & harvest
Prepare your soil with organic matter to ensure consistent moisture, aiming for a pH between 6.0 and 7.0. As a warm-season crop, you must wait until after the last spring frost when the ground is thoroughly warm before sowing seeds directly outdoors. Press seeds into the soil at a depth of about one inch; they typically sprout within three to ten days.
Space plants twelve to eighteen inches apart along trellises or cages, as these vining varieties can reach six to eight feet in height. Provide consistent water to keep the soil evenly moist without flooding, and apply a light layer of mulch around the base to retain moisture. Feed regularly with a balanced fertilizer if fruit production slows.
Watch for common pests like cucumber beetles and fungal diseases such as powdery mildew; practice crop rotation and remove infected leaves early. Harvest cucumers fifty to seventy days after sowing when they are firm and fully colored, cutting them from the vine with scissors or a knife.
When to Plant Cucumber
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | June | July – September | September – August |
| Zone 2 | May – June | July – August | September |
| Zone 3 | May | June – August | August – October |
| Zone 4 | April – May | June – July | August – October |
| Zone 5 | April | May – July | August – September |
| Zone 6 | April | May – July | July – September |
| Zone 7 | March – April | May – June | July – August |
| Zone 8 | March | April – June | June – August |
| Zone 9 | February | March – May | May – July |
| Zone 10 | January – February | March – April | May – June |
| Zone 11 | January | February – March | April – May |
| Zone 12 | January | February – March | April – May |
| Zone 13 | January | February – March | April – May |
