Planting planner: Kent, Washington
Typical last spring frost March 2 (1 spring in 10 later than March 23). Typical first fall frost November 23 (1 fall in 10 earlier than November 6). Growing season about 266 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 12 to February 2: Eggplant (start seeds indoors)
- January 19 to February 2: Peppers (start seeds indoors)
- January 26 to February 9: Tomatoes (start seeds indoors)
February
- February 2 to 16: Peas, spinach, lettuce, radishes, onion sets, turnips (sow outdoors)
- February 2 to 16: Broccoli and cabbage (plant out)
- February 16 to March 2: Beets, carrots, potatoes, Swiss chard (plant outdoors)
- February 16 to March 2: Cauliflower (plant out)
March
- March 2: Snap beans, sweet corn, cucumbers, summer squash (sow outdoors)
- March 16: Tomatoes, peppers, eggplant (plant out)
- March 16: Melons, winter squash, pumpkins, lima beans (sow outdoors)
April
Nothing to start this month.
May
Nothing to start this month.
June
- June 28 to July 12: Cabbage for fall (start seeds)
July
- July 18 to August 1: Broccoli for fall (start seeds)
August
- August 27: Snap beans for fall (last date to sow)
- August 31: Carrots for fall (last date to sow)
September
- September 1: Cucumbers for fall (last date to sow)
- September 5: Peas for fall (last date to sow)
- September 6: Summer squash for fall (last date to sow)
- September 10: Leaf lettuce and beets for fall (last date to sow)
- September 20: Turnips and kohlrabi for fall (last date to sow)
- September 30: Spinach for fall (last date to sow)
October
- October 10: Radishes for fall (last date to sow)
November
- November 6: Tomatoes, peppers, squash, melons, cucumbers (watch the forecast)
December
- December 15 to January 12: Broccoli and cabbage (start seeds indoors)
- December 29 to January 26: Cauliflower (start seeds indoors)
Dates from NOAA's 1991 to 2020 climate normals for Seattle Tacoma International Airport (station USW00024233), 6 miles from the center of Kent. 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/washington/kent/