Planting calendar
When to plant cucumbers in New Jersey
New Jersey spans USDA hardiness zones 6a-7b. Average last spring frost: 04-20. This calendar gives you the indoor start, transplant, and direct-sow dates for Cucumis sativus.
New Jersey planting dates for cucumbers
| Phase | Date in New Jersey | Notes |
|---|---|---|
| Start seeds indoors | March 30 | 3 weeks before last frost |
| Transplant outdoors | May 4 | 2 weeks after last frost |
| Direct sow outside | April 27 | 1 weeks after last frost |
Why these dates
Cucumbers germinate quickly in warm soil (70F+) but get destroyed by cucumber beetles - row covers until flowering are essential in much of the US.
The dates above are anchored to New Jersey's average last spring frost date of 04-20, with offsets standard across university Extension publications. For zone-specific local timing, use the frost date lookup tool with your ZIP code.
More on growing cucumbers
The full growing guide for cucumbers - varieties, soil, fertilization, pests, harvest, storage - is here: Cucumbers growing guide.
More New Jersey planting information
- Full New Jersey planting calendar (all crops + ornamentals)
- Find your exact USDA zone by ZIP
- Look up your average frost dates
- Seed starting timeline calculator