📍 Sterling Heights, MI · Zone 6b · Last frost Wednesday, April 15, 2026
✏️ ChangeWhen to Plant Brussels Sprout in Sterling Heights, Michigan (48310)
Location
Sterling Heights, Michigan
ZIP Code
48310
USDA Zone
6b
Last Frost
Wednesday, April 15, 2026
📅 Your 2026 Planting Dates
Start Seeds Indoors
Wednesday, January 21, 2026
Transplant Outdoors
Wednesday, April 15, 2026
Based on last frost Wednesday, April 15, 2026 · Zone 6b
Pro tip: Start Brussels Sprout seeds indoors 12 weeks before your last frost date, then transplant outdoors around Wednesday, April 15, 2026.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 1-7 days
Ready to Plant Brussels Sprout in Sterling Heights?
Get your seeds now so they're ready by Wednesday, January 21, 2026.
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🛠️ Supplies You'll Need
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🌾 Seed Saving Guide
🔴 DifficultWhen to Harvest Seed
Allow some sprouts to open into flowers. Harvest seed pods in summer/fall when dry.
Processing
Thresh dry pods, winnow to separate seeds from chaff.
Seed Viability
Up to 5 years when stored cool, dark, and dry.
Pro Tip
B. oleracea — crosses freely with other cole crops. Biennial nature makes isolation especially challenging.
Frequently Asked Questions
When should I plant Brussels Sprout in Sterling Heights, Michigan? +
In Sterling Heights (Zone 6b), start Brussels Sprout seeds indoors around Wednesday, January 21, 2026 and transplant outdoors around Wednesday, April 15, 2026.
What is the last frost date for Sterling Heights, Michigan? +
The average last spring frost date for Sterling Heights, Michigan (ZIP 48310) is around Wednesday, April 15, 2026. This is based on NOAA climate normals for USDA Zone 6b.
How long does Brussels Sprout take to grow? +
Brussels Sprout typically matures in about 84 days from transplanting. In Sterling Heights, that means you can expect harvest around Wednesday, April 15, 2026 plus 84 days.
Should I start Brussels Sprout indoors or direct sow in Michigan? +
Brussels Sprout should be started indoors 12 weeks before your last frost date. In Sterling Heights, that means starting around Wednesday, January 21, 2026.
📚 More Brussels Sprout Planting Guides
Other Plants for Sterling Heights
Growing Brussels Sprout in Zone 6b
Brussels Sprout (Brassica oleracea var. gemmifera) is a popular garden vegetable. In Sterling Heights, Michigan, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, January 21, 2026.
Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Brussels Sprout seedlings outdoors around Wednesday, April 15, 2026, about 0 weeks after your last frost date.