Planting Dates for Michigan
Michigan's Great Lakes influence creates unique growing conditions, particularly the fruit belt along Lake Michigan. The state's diverse microclimates support everything from cherries to cold-hardy vegetables.
USDA Zones 4a-6b • 110-180 frost-free days depending on location
Frost Dates in Michigan
Average last spring frost and first fall frost dates for Michigan cities. Use these to calculate your planting windows.
| City | Last Spring Frost | First Fall Frost | Frost-Free Days | USDA Zone |
|---|---|---|---|---|
| Detroit | Apr 25 | Oct 14 | 172 | 6b |
| Grand Rapids | May 3 | Oct 8 | 158 | 6a |
| Traverse City | May 14 | Oct 2 | 141 | 5b |
Gardening Tips for Michigan
- ✓The Lake Michigan fruit belt has uniquely moderated temperatures for tender crops.
- ✓Upper Peninsula gardens have very short seasons — focus on cold-hardy varieties.
- ✓Detroit and southeastern Michigan enjoy a 150+ day growing season.
- ✓Lake-effect moisture helps gardens but increases disease pressure — space plants for airflow.
What to Plant in Michigan
Cold-Hardy Crops (plant early)
These crops tolerate frost and can be planted 2-6 weeks before your last frost date.
30-60 days from sowing
55-70 days from sowing
60-80 days from sowing
50-70 days from sowing
55-80 days from transplant
35-50 days from sowing
20-35 days from sowing
July-August the following year
90-120 days from transplant
70-120 days from planting
50-70 days from sowing
50-60 days from sowing
Warm-Season Crops (plant after last frost)
Start these indoors and transplant after all frost danger has passed.
60-85 days from transplant
60-90 days from transplant
50-65 days from sowing
50-65 days from sowing
45-60 days from sowing
60-100 days from sowing
30-60 days from sowing
Get Exact Planting Dates for Michigan
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Frequently Asked Questions
When is the last frost date in Michigan?
Last frost dates in Michigan vary by city: Detroit (Apr 25), Grand Rapids (May 3), Traverse City (May 14).
What USDA hardiness zones are in Michigan?
Michigan spans USDA hardiness zones 4a-6b. Your specific zone determines which perennials survive winter and when to start planting annuals.
What vegetables grow best in Michigan?
Hardy crops like peas, kale, spinach, and garlic thrive across Michigan. In warmer zones, tomatoes, peppers, and cucumbers do well with proper timing. Use our free calculator for exact planting dates.
How long is the growing season in Michigan?
110-180 frost-free days depending on location. Extend your season with cold frames, row covers, and indoor seed starting.
Planting Dates by State
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Free Calculator
Calculate exact planting dates based on your location and frost dates.