When to Plant Brussels Sprout in Michigan
State
Michigan
Cities Covered
881
USDA Zones
4a, 4b, 5a, 5b, 6a, 6b, 7a
Plant Type
Indoor Start
📅 Planting Calendar for Michigan
Based on Detroit (Zone 6b). Dates may vary by city.
Note: Michigan spans multiple zones (4a, 4b, 5a, 5b, 6a, 6b, 7a). Select your city below for more precise dates.
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Growing Brussels Sprout in Michigan
Brussels Sprout (Brassica oleracea var. gemmifera) is a popular garden vegetable in Michigan. The state spans USDA Hardiness Zones 4a, 4b, 5a, 5b, 6a, 6b, 7a, so planting dates can vary significantly depending on your location.
For most of Michigan, you should start Brussels Sprout seeds indoors around Wednesday, January 21, 2026, then transplant outdoors around Wednesday, April 15, 2026.
For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.