Planting planner: Ann Arbor, Michigan
Typical last spring frost May 8 (1 spring in 10 later than May 26). Typical first fall frost October 4 (1 fall in 10 earlier than September 20). Growing season about 147 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 20 to March 20: Broccoli and cabbage (start seeds indoors)
March
- March 6 to April 3: Cauliflower (start seeds indoors)
- March 20 to April 10: Eggplant (start seeds indoors)
- March 27 to April 10: Peppers (start seeds indoors)
April
- April 3 to 17: Tomatoes (start seeds indoors)
- April 10 to 24: Peas, spinach, lettuce, radishes, onion sets, turnips (sow outdoors)
- April 10 to 24: Broccoli and cabbage (plant out)
- April 24 to May 8: Beets, carrots, potatoes, Swiss chard (plant outdoors)
- April 24 to May 8: Cauliflower (plant out)
May
- May 8: Snap beans, sweet corn, cucumbers, summer squash (sow outdoors)
- May 22: Tomatoes, peppers, eggplant (plant out)
- May 22: Melons, winter squash, pumpkins, lima beans (sow outdoors)
- May 29 to June 12: Broccoli for fall (start seeds)
June
Nothing to start this month.
July
- July 8: Snap beans for fall (last date to sow)
- July 12: Carrots for fall (last date to sow)
- July 13: Cucumbers for fall (last date to sow)
- July 17: Peas for fall (last date to sow)
- July 18: Summer squash for fall (last date to sow)
- July 22: Leaf lettuce and beets for fall (last date to sow)
August
- August 1: Turnips and kohlrabi for fall (last date to sow)
- August 11: Spinach for fall (last date to sow)
- August 21: Radishes for fall (last date to sow)
September
- September 20: Tomatoes, peppers, squash, melons, cucumbers (watch the forecast)
October
- October 23 to 30: 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 Ann Arbor Municipal Airport (station USW00094889), 4 miles from the center of Ann Arbor. 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/michigan/ann-arbor/