Planting planner: Green Bay, Wisconsin
Typical last spring frost April 30 (1 spring in 10 later than May 16). Typical first fall frost October 9 (1 fall in 10 earlier than September 24). Growing season about 161 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 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 24: Tomatoes, peppers, squash, melons, cucumbers (watch the forecast)
October
- October 31 to November 7: 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 Green Bay (station USW00014898), 6 miles from the center of Green Bay. 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/wisconsin/green-bay/