Planting planner: Sioux Falls, South Dakota
Typical last spring frost May 1 (1 spring in 10 later than May 14). Typical first fall frost October 6 (1 fall in 10 earlier than September 23). Growing season about 157 days.
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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 13 to March 13: Broccoli and cabbage (start seeds indoors)
- February 27 to March 27: Cauliflower (start seeds indoors)
March
- March 13 to April 3: Eggplant (start seeds indoors)
- March 20 to April 3: Peppers (start seeds indoors)
- March 27 to April 10: Tomatoes (start seeds indoors)
April
- April 3 to 17: Peas, spinach, lettuce, radishes, onion sets, turnips (sow outdoors)
- April 3 to 17: Broccoli and cabbage (plant out)
- April 17 to May 1: Beets, carrots, potatoes, Swiss chard (plant outdoors)
- April 17 to May 1: Cauliflower (plant out)
May
- May 1: Snap beans, sweet corn, cucumbers, summer squash (sow outdoors)
- May 15: Tomatoes, peppers, eggplant (plant out)
- May 15: Melons, winter squash, pumpkins, lima beans (sow outdoors)
- May 31 to June 14: Broccoli for fall (start seeds)
June
Nothing to start this month.
July
- July 10: Snap beans for fall (last date to sow)
- July 14: Carrots for fall (last date to sow)
- July 15: Cucumbers for fall (last date to sow)
- July 19: Peas for fall (last date to sow)
- July 20: Summer squash for fall (last date to sow)
- July 24: Leaf lettuce and beets for fall (last date to sow)
August
- August 3: Turnips and kohlrabi for fall (last date to sow)
- August 13: Spinach for fall (last date to sow)
- August 23: 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 Sioux Falls (station USW00014944), 3 miles from the center of Sioux Falls. 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/south-dakota/sioux-falls/