Home / Planting dates / New Hampshire
Place calendarCrop Planting Dates in New Hampshire
Published planting and harvest windows for 34 crops in New Hampshire, in one calendar. Ranges only, with sources.
| Crop | Planting | Harvest |
|---|---|---|
| Basil | Start indoors: start seeds indoors 6-8 weeks before setting out; Transplanting: transplant 2 weeks after last frost | |
| Bean | Planting: direct sow after last frost | |
| Beet | Planting: direct sow when soil warms to 45°F | |
| Broccoli | Start indoors: start seeds indoors 4-6 weeks before setting out; Transplanting: transplant 2-4 weeks before last frost | |
| Brussels Sprout | Start indoors: start seeds indoors 4-6 weeks before setting out; Transplanting: transplant 2-4 weeks before last frost | |
| Cabbage | Start indoors: start seeds indoors 4-6 weeks before setting out; Transplanting: transplant 4 weeks before last frost | |
| Carrot | Planting: direct sow when soil warms to 60°F | |
| Cauliflower | Start indoors: start seeds indoors 4-6 weeks before setting out; Transplanting: transplant 2 weeks before last frost | |
| Celery | Start indoors: start seeds indoors 10-12 weeks before setting out; Transplanting: transplant after last frost | |
| Corn | Planting: direct sow when soil warms to 60°F | |
| Cucumber | Start indoors: start seeds indoors 3-4 weeks before setting out; Planting: direct sow when soil warms to 70°F; Transplanting: transplant 1-2 weeks after last frost | |
| Eggplant | Start indoors: start seeds indoors 8-10 weeks before setting out; Transplanting: transplant 2-3 weeks after last frost | |
| Kale | Start indoors: start seeds indoors 4-6 weeks before setting out; Transplanting: transplant 4 weeks before last frost | |
| Kohlrabi | Start indoors: start seeds indoors 4-6 weeks before setting out; Transplanting: transplant 4 weeks before last frost | |
| Leek | Start indoors: start seeds indoors 8-10 weeks before setting out; Transplanting: transplant 4 weeks before last frost | |
| Lettuce | Start indoors: start seeds indoors 4-5 weeks before setting out; Transplanting: transplant 3-4 weeks before last frost | |
| Melon | Start indoors: start seeds indoors 3-4 weeks before setting out; Transplanting: transplant 2 weeks after last frost | |
| Onion | Start indoors: start seeds indoors 8-10 weeks before setting out; Transplanting: transplant 4 weeks before last frost | |
| Parsley | Start indoors: start seeds indoors 9-10 weeks before setting out; Transplanting: transplant 2-3 weeks before last frost | |
| Parsnip | Planting: direct sow after last frost | |
| Pea | Planting: direct sow as soon as soil thaws | |
| Pepper | Start indoors: start seeds indoors 8-10 weeks before setting out; Transplanting: transplant 2 weeks after last frost | |
| Potato | Planting: plant seed potatoes in garden 1-2 weeks before last frost | |
| Pumpkin | Start indoors: start seeds indoors 3-4 weeks before setting out; Planting: direct sow when soil warms to 70°F; Transplanting: transplant 2 weeks after last frost | |
| Radish | Planting: direct sow 2-4 weeks before last frost | |
| Rutabaga | Planting: direct sow from mid-June to mid-July | |
| Spinach | Start indoors: start seeds indoors 4-6 weeks before setting out; Transplanting: transplant 3-6 weeks before last frost | |
| Summer Squash | Start indoors: start seeds indoors 3-4 weeks before setting out; Planting: direct sow when soil warms to 70°F; Transplanting: transplant 2 weeks after last frost | |
| Sweetpotato | Planting: plant slips (i.e. plants) in garden 1-2 weeks after last frost | |
| Swiss Chard | Start indoors: start seeds indoors 4-6 weeks before setting out; Planting: direct sow 4 weeks before last frost; Transplanting: transplant 2 weeks before last frost | |
| Tomato | Start indoors: start seeds indoors 6-8 weeks before setting out; Transplanting: transplant 1-2 weeks after last frost | |
| Turnip | Planting: direct sow 2-4 weeks before last frost | |
| Winter Squash | Start indoors: start seeds indoors 3-4 weeks before setting out; Planting: direct sow when soil warms to 70°F; Transplanting: transplant 2 weeks after last frost | |
| Zucchini | Start indoors: start seeds indoors 3-4 weeks before setting out; Planting: direct sow when soil warms to 70°F; Transplanting: transplant 2 weeks after last frost |
Calendar view
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basil start indoors | Timing in table above | |||||||||||
| Basil transplanting | Timing in table above | |||||||||||
| Bean planting | Timing in table above | |||||||||||
| Beet planting | Timing in table above | |||||||||||
| Broccoli start indoors | Timing in table above | |||||||||||
| Broccoli transplanting | Timing in table above | |||||||||||
| Brussels Sprout start indoors | Timing in table above | |||||||||||
| Brussels Sprout transplanting | Timing in table above | |||||||||||
| Cabbage start indoors | Timing in table above | |||||||||||
| Cabbage transplanting | Timing in table above | |||||||||||
| Carrot planting | Timing in table above | |||||||||||
| Cauliflower start indoors | Timing in table above | |||||||||||
| Cauliflower transplanting | Timing in table above | |||||||||||
| Celery start indoors | Timing in table above | |||||||||||
| Celery transplanting | Timing in table above | |||||||||||
| Corn planting | Timing in table above | |||||||||||
| Cucumber start indoors | Timing in table above | |||||||||||
| Cucumber planting | Timing in table above | |||||||||||
| Cucumber transplanting | Timing in table above | |||||||||||
| Eggplant start indoors | Timing in table above | |||||||||||
| Eggplant transplanting | Timing in table above | |||||||||||
| Kale start indoors | Timing in table above | |||||||||||
| Kale transplanting | Timing in table above | |||||||||||
| Kohlrabi start indoors | Timing in table above | |||||||||||
| Kohlrabi transplanting | Timing in table above | |||||||||||
| Leek start indoors | Timing in table above | |||||||||||
| Leek transplanting | Timing in table above | |||||||||||
| Lettuce start indoors | Timing in table above | |||||||||||
| Lettuce transplanting | Timing in table above | |||||||||||
| Melon start indoors | Timing in table above | |||||||||||
| Melon transplanting | Timing in table above | |||||||||||
| Onion start indoors | Timing in table above | |||||||||||
| Onion transplanting | Timing in table above | |||||||||||
| Parsley start indoors | Timing in table above | |||||||||||
| Parsley transplanting | Timing in table above | |||||||||||
| Parsnip planting | Timing in table above | |||||||||||
| Pea planting | Timing in table above | |||||||||||
| Pepper start indoors | Timing in table above | |||||||||||
| Pepper transplanting | Timing in table above | |||||||||||
| Potato planting | Timing in table above | |||||||||||
| Pumpkin start indoors | Timing in table above | |||||||||||
| Pumpkin planting | Timing in table above | |||||||||||
| Pumpkin transplanting | Timing in table above | |||||||||||
| Radish planting | Timing in table above | |||||||||||
| Rutabaga planting | Timing in table above | |||||||||||
| Spinach start indoors | Timing in table above | |||||||||||
| Spinach transplanting | Timing in table above | |||||||||||
| Summer Squash start indoors | Timing in table above | |||||||||||
| Summer Squash planting | Timing in table above | |||||||||||
| Summer Squash transplanting | Timing in table above | |||||||||||
| Sweetpotato planting | Timing in table above | |||||||||||
| Swiss Chard start indoors | Timing in table above | |||||||||||
| Swiss Chard planting | Timing in table above | |||||||||||
| Swiss Chard transplanting | Timing in table above | |||||||||||
| Tomato start indoors | Timing in table above | |||||||||||
| Tomato transplanting | Timing in table above | |||||||||||
| Turnip planting | Timing in table above | |||||||||||
| Winter Squash start indoors | Timing in table above | |||||||||||
| Winter Squash planting | Timing in table above | |||||||||||
| Winter Squash transplanting | Timing in table above | |||||||||||
| Zucchini start indoors | Timing in table above | |||||||||||
| Zucchini planting | Timing in table above | |||||||||||
| Zucchini transplanting | Timing in table above | |||||||||||
Frost-date caveat: published dates are averages. Find your own last and first frost dates and compare them with these ranges before you plant.
Last reviewed: November 2026. Source: UNH Extension - Growing Vegetables: When to Plant Your Vegetable Garden.