Last Frost Date

Planting planner: Newark, New Jersey

Typical last spring frost April 2 (1 spring in 10 later than April 15). Typical first fall frost November 10 (1 fall in 10 earlier than October 28). Growing season about 222 days.

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Frost likely Frost possible Frost unlikely Frost is likely until March 20 and fades out by April 15. It is unlikely from then until October 28, and likely again after November 25. The dashed lines are the typical dates, April 2 and November 10.

January

  • January 15 to February 12: Broccoli and cabbage (start seeds indoors)
  • January 29 to February 26: Cauliflower (start seeds indoors)

February

  • February 12 to March 5: Eggplant (start seeds indoors)
  • February 19 to March 5: Peppers (start seeds indoors)
  • February 26 to March 12: Tomatoes (start seeds indoors)

March

  • March 5 to 19: Peas, spinach, lettuce, radishes, onion sets, turnips (sow outdoors)
  • March 5 to 19: Broccoli and cabbage (plant out)
  • March 19 to April 2: Beets, carrots, potatoes, Swiss chard (plant outdoors)
  • March 19 to April 2: Cauliflower (plant out)

April

  • April 2: Snap beans, sweet corn, cucumbers, summer squash (sow outdoors)
  • April 16: Tomatoes, peppers, eggplant (plant out)
  • April 16: Melons, winter squash, pumpkins, lima beans (sow outdoors)

May

Nothing to start this month.

June

  • June 15 to 29: Cabbage for fall (start seeds)

July

  • July 5 to 19: Broccoli for fall (start seeds)

August

  • August 14: Snap beans for fall (last date to sow)
  • August 18: Carrots for fall (last date to sow)
  • August 19: Cucumbers for fall (last date to sow)
  • August 23: Peas for fall (last date to sow)
  • August 24: Summer squash for fall (last date to sow)
  • August 28: Leaf lettuce and beets for fall (last date to sow)

September

  • September 7: Turnips and kohlrabi for fall (last date to sow)
  • September 17: Spinach for fall (last date to sow)
  • September 27: Radishes for fall (last date to sow)

October

  • October 28: Tomatoes, peppers, squash, melons, cucumbers (watch the forecast)

November

  • November 29 to December 6: Garlic (plant cloves)

December

Nothing to start this month.

Dates from NOAA's 1991 to 2020 climate normals for Newark International Airport (station USW00014734), 3 miles from the center of Newark. 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-jersey/newark/

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