Last Frost Date

Planting planner: Pueblo, Colorado

Typical last spring frost April 30 (1 spring in 10 later than May 12). Typical first fall frost October 9 (1 fall in 10 earlier than September 27). Growing season about 161 days.

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Frost likely Frost possible Frost unlikely Frost is likely until April 18 and fades out by May 12. It is unlikely from then until September 27, and likely again after October 21. The dashed lines are the typical dates, April 30 and October 9.

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 3 to 17: Broccoli for fall (start seeds)

July

  • July 13: Snap beans for fall (last date to sow)
  • July 17: Carrots for fall (last date to sow)
  • July 18: Cucumbers for fall (last date to sow)
  • July 22: Peas for fall (last date to sow)
  • July 23: Summer squash for fall (last date to sow)
  • July 27: Leaf lettuce and beets for fall (last date to sow)

August

  • August 6: Turnips and kohlrabi for fall (last date to sow)
  • August 16: Spinach for fall (last date to sow)
  • August 26: Radishes for fall (last date to sow)

September

  • September 27: Tomatoes, peppers, squash, melons, cucumbers (watch the forecast)

October

  • October 25 to November 1: 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 Pueblo Mem Airport (station USW00093058), 6 miles from the center of Pueblo. 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/colorado/pueblo/

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