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Cucumber planting and harvest datesCucumber Planting Dates in New Hampshire
Usual cucumber planting periods in New Hampshire, shown as ranges with their source. Use them to frame a plan, then adjust for your own frost dates and soil temperature.
| Activity | Window | Source | Last verified |
|---|---|---|---|
| Start indoors | start seeds indoors 3-4 weeks before setting out | source | 2026-11-11 |
| Planting | direct sow when soil warms to 70°F | source | 2026-11-11 |
| Transplanting | transplant 1-2 weeks after last frost | source | 2026-11-11 |
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Start indoors | Timing in table above | |||||||||||
| Planting | Timing in table above | |||||||||||
| Transplanting | Timing in table above | |||||||||||
What these dates mean in New Hampshire
Frost-date caveat: these are published ranges for New Hampshire. A northern or high-elevation site will run later than a southern or low one, and a cold wet spring can push planting past the window. Timing is relative to last spring frost or soil temperature; frost dates and local conditions vary. Check your last spring frost and soil temperature, and confirm with your county extension office.
Related guides
Cucumber dates in other places
Other crops in New Hampshire
- Basil
- Bean
- Beet
- Broccoli
- Brussels Sprout
- Cabbage
- Carrot
- Cauliflower
- Celery
- Corn
- Eggplant
- Kale
- Kohlrabi
- Leek
- Lettuce
- Melon
- Onion
- Parsley
- Parsnip
- Pea
- Pepper
- Potato
- Pumpkin
- Radish
- Rutabaga
- Spinach
- Summer Squash
- Sweetpotato
- Swiss Chard
- Tomato
- Turnip
- Winter Squash
- Zucchini
Last reviewed: November 2026. Source: UNH Extension - Growing Vegetables: When to Plant Your Vegetable Garden.