New Hampshire planting calendar
Using New Hampshire’s average last spring frost of May 13 and first fall frost of September 25 — about 135 frost-free days. USDA zones 3b, 4a, 4b, 5a, 5b, 6a.
For dates tuned to your exact location, use the calendar generator.
Download printable PDFFREENew Hampshire planting calendar: month-by-month chart and exact dates, 2 pages, US Letter
Month by month: What to plant in February · What to plant in March · What to plant in April · What to plant in May · What to plant in June · What to plant in July · What to plant in August · What to plant in September · What to plant in October
| Crop | Start indoors | Transplant / sow out | Fall sowing | First harvest |
|---|---|---|---|---|
| Celeriac | Feb 18 – Mar 4 | May 6 – May 23 | — | Aug 21 – Sep 10 |
| Onion↗ | Feb 25 – Mar 11 | Apr 15 – May 2 | — | Jul 21 – Aug 20 |
| Leek | Feb 25 – Mar 11 | Apr 22 – May 9 | — | Aug 7 – Sep 26 |
| Celery | Feb 25 – Mar 11 | May 6 – May 23 | — | Aug 21 – Sep 30 |
| Rosemary | Feb 25 – Mar 11 | May 13 – May 30 | — | Aug 18 – Sep 17 |
| Eggplant↗ | Mar 4 – Mar 18 | May 27 – Jun 13 | — | Aug 7 – Aug 27 |
| Parsley | Mar 4 – Mar 18 | Apr 22 – May 9 | Jul 7 – Jul 24 | Jul 8 – Jul 28 |
| Shallot | Mar 4 – Mar 18 | Apr 15 – May 2 | Sep 29 – Oct 16 | Jul 21 – Aug 20 |
| Bell Pepper↗ | Mar 11 – Mar 25 | May 20 – Jun 6 | — | Jul 26 – Aug 25 |
| Chili Pepper↗ | Mar 11 – Mar 25 | May 20 – Jun 6 | — | Aug 5 – Sep 4 |
| Green Onion / Scallion | Mar 11 – Mar 25 | Apr 8 – Apr 25 | Jul 21 – Aug 7 | Jun 14 – Jul 4 |
| Thyme | Mar 11 – Mar 25 | May 6 – May 23 | — | Jul 27 – Aug 11 |
| Oregano | Mar 11 – Mar 25 | May 6 – May 23 | — | Aug 1 – Aug 11 |
| Mint | Mar 11 – Mar 25 | Apr 29 – May 16 | — | Jul 15 – Aug 4 |
| Sage | Mar 11 – Mar 25 | May 6 – May 23 | — | Jul 27 – Aug 11 |
| Tarragon | Mar 11 – Mar 25 | Apr 29 – May 16 | — | Jul 5 – Aug 4 |
| Ginger | Mar 11 – Mar 25 | May 27 – Jun 13 | — | Jan 29 – Mar 30 |
| Turmeric | Mar 11 – Mar 25 | May 27 – Jun 13 | — | Jan 29 – Mar 30 |
| Tomato↗ | Mar 18 – Apr 1 | May 13 – May 30 | — | Jul 19 – Aug 13 |
| Tomatillo | Mar 18 – Apr 1 | May 13 – May 30 | — | Aug 3 – Aug 28 |
| Ground Cherry | Mar 18 – Apr 1 | May 13 – May 30 | — | Jul 29 – Aug 18 |
| Sweet Marjoram | Mar 18 – Apr 1 | May 13 – May 30 | — | Jul 19 – Aug 8 |
| Lemon Balm | Mar 18 – Apr 1 | Apr 29 – May 16 | — | Jul 15 – Aug 4 |
| Shiso (Perilla) | Mar 18 – Apr 1 | May 13 – May 30 | — | Jul 29 – Aug 18 |
| Kale↗ | Mar 25 – Apr 8 | Apr 15 – May 2 | Jun 30 – Jul 17 | Jun 11 – Jun 26 |
| Broccoli↗ | Mar 25 – Apr 8 | Apr 22 – May 9 | Jun 16 – Jul 3 | Jun 28 – Jul 23 |
| Cauliflower↗ | Mar 25 – Apr 8 | Apr 22 – May 9 | Jun 16 – Jul 3 | Jun 28 – Jul 28 |
| Cabbage↗ | Mar 25 – Apr 8 | Apr 15 – May 2 | Jun 16 – Jul 3 | Jun 21 – Jul 31 |
| Brussels Sprouts | Mar 25 – Apr 8 | Apr 22 – May 9 | May 26 – Jun 12 | Jul 28 – Aug 27 |
| Okra↗ | Apr 1 – Apr 15 | May 20 – Jun 6 | — | Jul 16 – Jul 31 |
| Basil↗ | Apr 1 – Apr 15 | May 20 – Jun 6 | — | Jun 26 – Jul 26 |
| Collard Greens | Apr 1 – Apr 15 | Apr 15 – May 2 | Jul 7 – Jul 24 | Jun 16 – Jul 6 |
| Kohlrabi | Apr 1 – Apr 15 | Apr 15 – May 2 | Jul 21 – Aug 7 | Jun 6 – Jun 21 |
| Endive & Escarole | Apr 1 – Apr 15 | Apr 22 – May 9 | Jul 7 – Jul 24 | Jul 23 – Aug 7 |
| Radicchio | Apr 1 – Apr 15 | Apr 22 – May 9 | Jun 30 – Jul 17 | Jun 28 – Aug 7 |
| Malabar Spinach | Apr 1 – Apr 15 | May 20 – Jun 6 | — | Jul 21 – Aug 5 |
| Summer Savory | Apr 1 – Apr 15 | May 13 – May 30 | — | Jul 14 – Jul 29 |
| Pea↗ | — | Apr 3 – Apr 22 | Jul 7 – Jul 24 | Jun 2 – Jun 17 |
| Spinach↗ | — | Apr 3 – Apr 22 | Jul 28 – Aug 14 | May 15 – May 23 |
| Mache (Corn Salad) | — | Apr 3 – Apr 22 | Jul 21 – Aug 7 | May 23 – Jun 7 |
| Lettuce↗ | Apr 8 – Apr 22 | Apr 22 – May 9 | Jul 21 – Aug 7 | May 29 – Jun 28 |
| Swiss Chard↗ | Apr 8 – Apr 22 | Apr 22 – May 9 | Jul 7 – Jul 24 | Jun 18 – Jun 28 |
| Bok Choy / Pak Choi | Apr 8 – Apr 22 | Apr 22 – May 9 | Jul 21 – Aug 7 | Jun 3 – Jun 18 |
| Fennel (Bulb) | Apr 8 – Apr 22 | Apr 29 – May 16 | Jun 23 – Jul 10 | Jul 10 – Aug 4 |
| Napa Cabbage | Apr 8 – Apr 22 | Apr 22 – May 9 | Jul 7 – Jul 24 | Jun 18 – Jul 13 |
| Bitter Melon | Apr 8 – Apr 22 | May 20 – Jun 6 | — | Jul 21 – Aug 10 |
| Cucamelon | Apr 8 – Apr 22 | May 20 – Jun 6 | — | Jul 31 – Aug 10 |
| New Zealand Spinach | Apr 8 – Apr 22 | May 13 – May 30 | — | Jul 9 – Jul 29 |
| Peanut | Apr 8 – Apr 22 | May 13 – May 30 | — | Aug 28 – Oct 17 |
| Watercress | Apr 8 – Apr 22 | Apr 22 – May 9 | Aug 4 – Aug 21 | Jun 18 – Jun 28 |
| Luffa (Loofah Gourd) | Apr 8 – Apr 22 | May 20 – Jun 6 | — | Aug 25 – Oct 24 |
| Beet↗ | — | Apr 10 – Apr 29 | Jul 14 – Jul 31 | Jun 4 – Jun 24 |
| Radish↗ | — | Apr 10 – Apr 29 | Aug 11 – Aug 28 | May 7 – May 15 |
| Arugula↗ | — | Apr 10 – Apr 29 | Aug 4 – Aug 21 | May 15 – May 25 |
| Fava Bean (Broad Bean) | — | Apr 10 – Apr 29 | Jul 21 – Aug 7 | Jun 29 – Jul 14 |
| Tatsoi | — | Apr 10 – Apr 29 | Jul 28 – Aug 14 | May 20 – Jun 4 |
| Mizuna | — | Apr 10 – Apr 29 | Jul 21 – Aug 7 | May 20 – May 30 |
| Cucumber↗ | Apr 15 – Apr 29 | May 20 – Jun 6 | Jun 23 – Jul 10 | Jul 16 – Aug 5 |
| Zucchini / Summer Squash↗ | Apr 15 – Apr 29 | May 13 – May 30 | Jun 23 – Jul 10 | Jul 4 – Jul 19 |
| Winter Squash↗ | Apr 15 – Apr 29 | May 13 – May 30 | — | Aug 8 – Sep 7 |
| Pumpkin↗ | Apr 15 – Apr 29 | May 13 – May 30 | — | Aug 18 – Sep 17 |
| Cantaloupe / Muskmelon↗ | Apr 15 – Apr 29 | May 20 – Jun 6 | — | Aug 5 – Aug 25 |
| Watermelon↗ | Apr 15 – Apr 29 | May 20 – Jun 6 | — | Aug 5 – Sep 4 |
| Rhubarb | — | Apr 15 – May 2 | — | — |
| Horseradish | — | Apr 15 – May 2 | — | — |
| Sunflower | Apr 15 – Apr 29 | May 13 – May 30 | — | Jul 29 – Aug 28 |
| Carrot↗ | — | Apr 17 – May 6 | Jun 30 – Jul 17 | Jun 21 – Jul 11 |
| Turnip | — | Apr 17 – May 6 | Jul 28 – Aug 14 | Jun 1 – Jun 21 |
| Mustard Greens | — | Apr 17 – May 6 | Jul 28 – Aug 14 | May 22 – Jun 6 |
| Rapini (Broccoli Raab) | — | Apr 17 – May 6 | Jul 21 – Aug 7 | Jun 1 – Jun 21 |
| Chervil | — | Apr 17 – May 6 | Jul 28 – Aug 14 | Jun 1 – Jun 21 |
| Chives | — | Apr 22 – May 9 | — | — |
| Asparagus | — | Apr 22 – May 9 | — | — |
| Sorrel | — | Apr 22 – May 9 | — | — |
| Potato↗ | — | Apr 24 – May 13 | — | Jul 8 – Aug 27 |
| Cilantro / Coriander | — | Apr 24 – May 13 | Jul 14 – Jul 31 | Jun 13 – Jul 8 |
| Salsify | — | Apr 24 – May 13 | — | Aug 17 – Sep 26 |
| Borage | — | Apr 24 – May 13 | Jul 21 – Aug 7 | Jun 23 – Jul 13 |
| Globe Artichoke | — | Apr 29 – May 16 | — | — |
| Parsnip | — | May 1 – May 20 | — | Aug 14 – Sep 13 |
| Dill | — | May 8 – May 27 | Jul 21 – Aug 7 | Jun 22 – Jul 12 |
| Bush Bean↗ | — | May 15 – Jun 3 | Jun 30 – Jul 17 | Jul 9 – Jul 19 |
| Pole Bean↗ | — | May 15 – Jun 3 | — | Jul 19 – Jul 29 |
| Sweet Corn↗ | — | May 15 – Jun 3 | — | Jul 19 – Aug 28 |
| Edamame (Soybean) | — | May 15 – Jun 3 | — | Aug 3 – Aug 28 |
| Amaranth (Leaf) | — | May 15 – Jun 3 | — | Jun 19 – Jul 9 |
| Lima Bean | — | May 22 – Jun 10 | — | Jul 31 – Aug 30 |
| Southern Pea (Cowpea) | — | May 22 – Jun 10 | — | Jul 26 – Aug 25 |
| Chayote | — | May 22 – Jun 10 | — | Sep 24 – Oct 24 |
| Sweet Potato | — | May 27 – Jun 13 | — | Sep 1 – Oct 1 |
| Rutabaga | — | — | Jun 9 – Jun 26 | — |
| Garlic↗ | — | — | Oct 6 – Oct 23 | — |
Windows are ~1–2 week bands around each date. Frost dates are a statewide average from NOAA/NCEI normals; your town may differ by two weeks or more. Calendar year 2026.