Planting planner: Nashua, New Hampshire
Typical last spring frost April 30 (1 spring in 10 later than May 11). Typical first fall frost October 12 (1 fall in 10 earlier than September 30). Growing season about 165 days.
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Your season is too short for a separate fall planting of cabbage: sown late enough to be a fall crop, it wouldn't be ready before the typical first frost. Your spring planting is your harvest.
January
Nothing to start this month.
February
- February 12 to March 12: Broccoli and cabbage (start seeds indoors)
- February 26 to March 26: Cauliflower (start seeds indoors)
March
- March 12 to April 2: Eggplant (start seeds indoors)
- March 19 to April 2: Peppers (start seeds indoors)
- March 26 to April 9: Tomatoes (start seeds indoors)
April
- April 2 to 16: Peas, spinach, lettuce, radishes, onion sets, turnips (sow outdoors)
- April 2 to 16: Broccoli and cabbage (plant out)
- April 16 to 30: Beets, carrots, potatoes, Swiss chard (plant outdoors)
- April 16 to 30: Cauliflower (plant out)
- April 30: Snap beans, sweet corn, cucumbers, summer squash (sow outdoors)
May
- May 14: Tomatoes, peppers, eggplant (plant out)
- May 14: Melons, winter squash, pumpkins, lima beans (sow outdoors)
June
- June 6 to 20: Broccoli for fall (start seeds)
July
- July 16: Snap beans for fall (last date to sow)
- July 20: Carrots for fall (last date to sow)
- July 21: Cucumbers for fall (last date to sow)
- July 25: Peas for fall (last date to sow)
- July 26: Summer squash for fall (last date to sow)
- July 30: Leaf lettuce and beets for fall (last date to sow)
August
- August 9: Turnips and kohlrabi for fall (last date to sow)
- August 19: Spinach for fall (last date to sow)
- August 29: Radishes for fall (last date to sow)
September
- September 30: Tomatoes, peppers, squash, melons, cucumbers (watch the forecast)
October
- October 31 to November 7: Garlic (plant cloves)
November
Nothing to start this month.
December
Nothing to start this month.
Dates from NOAA's 1991 to 2020 climate normals for Nashua 2 NNW (station USC00275712), 3 miles from the center of Nashua. Planting rules: Colorado State University Extension GardenNotes #720 (spring), Virginia Cooperative Extension 426-334 (fall crops), University of Minnesota Extension (garlic). Spring bulbs: plant when the soil has cooled to about 50 to 55°F, until a couple of weeks before the ground freezes (University of Wisconsin–Madison Extension). Full details: https://lastfrostdate.com/frost-dates/new-hampshire/nashua/