Last Frost Date

Planting planner: Hattiesburg, Mississippi

Typical last spring frost March 8 (1 spring in 10 later than March 28). Typical first fall frost November 15 (1 fall in 10 earlier than November 1). Growing season about 252 days.

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Frost likely Frost possible Frost unlikely Frost is likely until February 16 and fades out by March 28. It is unlikely from then until November 1, and likely again after December 4. The dashed lines are the typical dates, March 8 and November 15.

January

  • January 4 to February 1: Cauliflower (start seeds indoors)
  • January 18 to February 8: Eggplant (start seeds indoors)
  • January 25 to February 8: Peppers (start seeds indoors)

February

  • February 1 to 15: Tomatoes (start seeds indoors)
  • February 8 to 22: Peas, spinach, lettuce, radishes, onion sets, turnips (sow outdoors)
  • February 8 to 22: Broccoli and cabbage (plant out)
  • February 22 to March 8: Beets, carrots, potatoes, Swiss chard (plant outdoors)
  • February 22 to March 8: Cauliflower (plant out)

March

  • March 8: Snap beans, sweet corn, cucumbers, summer squash (sow outdoors)
  • March 22: Tomatoes, peppers, eggplant (plant out)
  • March 22: Melons, winter squash, pumpkins, lima beans (sow outdoors)

April

Nothing to start this month.

May

Nothing to start this month.

June

  • June 20 to July 4: Cabbage for fall (start seeds)

July

  • July 10 to 24: Broccoli for fall (start seeds)

August

  • August 19: Snap beans for fall (last date to sow)
  • August 23: Carrots for fall (last date to sow)
  • August 24: Cucumbers for fall (last date to sow)
  • August 28: Peas for fall (last date to sow)
  • August 29: Summer squash for fall (last date to sow)

September

  • September 2: Leaf lettuce and beets for fall (last date to sow)
  • September 12: Turnips and kohlrabi for fall (last date to sow)
  • September 22: Spinach for fall (last date to sow)

October

  • October 2: Radishes for fall (last date to sow)

November

  • November 1: Tomatoes, peppers, squash, melons, cucumbers (watch the forecast)

December

  • December 7 to 14: Garlic (plant cloves)
  • December 21 to January 18: Broccoli and cabbage (start seeds indoors)

Dates from NOAA's 1991 to 2020 climate normals for Hattiesburg Chain Municipal Airport (station USW00013833), 4 miles from the center of Hattiesburg. 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/mississippi/hattiesburg/

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