Planting planner: Columbia, South Carolina
Typical last spring frost March 13 (1 spring in 10 later than March 31). Typical first fall frost November 19 (1 fall in 10 earlier than November 5). Growing season about 253 days.
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We don't give a garlic date here. The rule we use, from the University of Minnesota Extension, counts from the first killing frost, and it works where a hard freeze comes every year before the ground freezes. Your county's extension office can tell you when to plant garlic in your climate.
January
- January 9 to February 6: Cauliflower (start seeds indoors)
- January 23 to February 13: Eggplant (start seeds indoors)
- January 30 to February 13: Peppers (start seeds indoors)
February
- February 6 to 20: Tomatoes (start seeds indoors)
- February 13 to 27: Peas, spinach, lettuce, radishes, onion sets, turnips (sow outdoors)
- February 13 to 27: Broccoli and cabbage (plant out)
- February 27 to March 13: Beets, carrots, potatoes, Swiss chard (plant outdoors)
- February 27 to March 13: Cauliflower (plant out)
March
- March 13: Snap beans, sweet corn, cucumbers, summer squash (sow outdoors)
- March 27: Tomatoes, peppers, eggplant (plant out)
- March 27: Melons, winter squash, pumpkins, lima beans (sow outdoors)
April
Nothing to start this month.
May
Nothing to start this month.
June
- June 24 to July 8: Cabbage for fall (start seeds)
July
- July 14 to 28: Broccoli for fall (start seeds)
August
- August 23: Snap beans for fall (last date to sow)
- August 27: Carrots for fall (last date to sow)
- August 28: Cucumbers for fall (last date to sow)
September
- September 1: Peas for fall (last date to sow)
- September 2: Summer squash for fall (last date to sow)
- September 6: Leaf lettuce and beets for fall (last date to sow)
- September 16: Turnips and kohlrabi for fall (last date to sow)
- September 26: Spinach for fall (last date to sow)
October
- October 6: Radishes for fall (last date to sow)
November
- November 5: Tomatoes, peppers, squash, melons, cucumbers (watch the forecast)
December
- December 26 to January 23: Broccoli and cabbage (start seeds indoors)
Dates from NOAA's 1991 to 2020 climate normals for Columbia Owens Downtown Airport (station USW00053867), 7 miles from the center of Columbia. 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-carolina/columbia/