Last Frost Date

Planting planner: Newport, Rhode Island

Typical last spring frost April 11 (1 spring in 10 later than April 24). Typical first fall frost November 4 (1 fall in 10 earlier than October 22). Growing season about 206 days.

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Frost likely Frost possible Frost unlikely Frost is likely until March 31 and fades out by April 24. It is unlikely from then until October 22, and likely again after November 17. The dashed lines are the typical dates, April 11 and November 4.

January

  • January 24 to February 21: Broccoli and cabbage (start seeds indoors)

February

  • February 7 to March 7: Cauliflower (start seeds indoors)
  • February 21 to March 14: Eggplant (start seeds indoors)
  • February 28 to March 14: Peppers (start seeds indoors)

March

  • March 7 to 21: Tomatoes (start seeds indoors)
  • March 14 to 28: Peas, spinach, lettuce, radishes, onion sets, turnips (sow outdoors)
  • March 14 to 28: Broccoli and cabbage (plant out)
  • March 28 to April 11: Beets, carrots, potatoes, Swiss chard (plant outdoors)
  • March 28 to April 11: Cauliflower (plant out)

April

  • April 11: Snap beans, sweet corn, cucumbers, summer squash (sow outdoors)
  • April 25: Tomatoes, peppers, eggplant (plant out)
  • April 25: Melons, winter squash, pumpkins, lima beans (sow outdoors)

May

Nothing to start this month.

June

  • June 9 to 23: Cabbage for fall (start seeds)
  • June 29 to July 13: Broccoli for fall (start seeds)

July

Nothing to start this month.

August

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

September

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

October

  • October 22: Tomatoes, peppers, squash, melons, cucumbers (watch the forecast)

November

  • November 23 to 30: Garlic (plant cloves)

December

Nothing to start this month.

Dates from NOAA's 1991 to 2020 climate normals for Newport State Airport (station USW00014787), 4 miles from the center of Newport. 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/rhode-island/newport/

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