Planting planner: Bangor, Maine

Typical last spring frost May 4 (1 spring in 10 later than May 17). Typical first fall frost October 4 (1 fall in 10 earlier than September 23). Growing season about 152 days.

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Frost likely Frost possible Frost unlikely Frost is likely until April 24 and fades out by May 17. It is unlikely from then until September 23, and likely again after October 21. The dashed lines are the typical dates, May 4 and October 4.

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 16 to March 16: Broccoli and cabbage (start seeds indoors)

March

  • March 2 to 30: Cauliflower (start seeds indoors)
  • March 16 to April 6: Eggplant (start seeds indoors)
  • March 23 to April 6: Peppers (start seeds indoors)
  • March 30 to April 13: Tomatoes (start seeds indoors)

April

  • April 6 to 20: Peas, spinach, lettuce, radishes, onion sets, turnips (sow outdoors)
  • April 6 to 20: Broccoli and cabbage (plant out)
  • April 20 to May 4: Beets, carrots, potatoes, Swiss chard (plant outdoors)
  • April 20 to May 4: Cauliflower (plant out)

May

  • May 4: Snap beans, sweet corn, cucumbers, summer squash (sow outdoors)
  • May 18: Tomatoes, peppers, eggplant (plant out)
  • May 18: Melons, winter squash, pumpkins, lima beans (sow outdoors)
  • May 29 to June 12: Broccoli for fall (start seeds)

June

Nothing to start this month.

July

  • July 8: Snap beans for fall (last date to sow)
  • July 12: Carrots for fall (last date to sow)
  • July 13: Cucumbers for fall (last date to sow)
  • July 17: Peas for fall (last date to sow)
  • July 18: Summer squash for fall (last date to sow)
  • July 22: Leaf lettuce and beets for fall (last date to sow)

August

  • August 1: Turnips and kohlrabi for fall (last date to sow)
  • August 11: Spinach for fall (last date to sow)
  • August 21: Radishes for fall (last date to sow)

September

  • September 23: Tomatoes, peppers, squash, melons, cucumbers (watch the forecast)

October

  • October 24 to 31: 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 Bangor International Airport (station USW00014606), 3 miles from the center of Bangor. 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/maine/bangor/

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