Southeast Michigan’s metropolitan area from Ann Arbor to Troy has two different USDA Planting Zones 6a and 6b, as declared by latest USDA update in 2023. Winter temperatures here range from -10°F to 0°F (-23.3°C to -17.8°C).
The coldest zone in southeast Michigan is USDA zone 6a (-10°F to -5°F / -23.3°C to -20.6°C) which covers cities like Ann Arbor, Auburn Hills, Novi, and Ypsilanti.
The warmest zone is USDA zone 6b (-5°F to 0°F / -20.6°C to -17.8°C) here which includes Birmingham and Royal Oak. Most cities like Ann Arbor, Auburn Hills, Novi, and Ypsilanti are in the USDA zone 6a with winter lows of -10°F to -5°F.
Some areas here span multiple USDA zones like Bloomfield Hills (6a-6b), Farmington Hills (6a-6b), Rochester Hills (6a-6b), and Troy (6a-6b).
Locate your Southeast Michigan USDA planting zone using our interactive planting zone map or hardniess zones table provided below.
USDA Zones Map of Southeast Michigan
Select or type your Southeast Michigan location in selection box below, to find its USDA Growing zone.
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USDA Planting Zone
This zone’s data comes from the United States Department of Agriculture (USDA), with the most recent zone updates released in 2023
Planting Zones
Planting Zones
Planting Zones Table of Southeast Michigan
Southeast Michigan from Ann Arbor to Troy has two USDA Planting Zones 6a and 6b. The 10 USDA hardiness zone locations in Southeast Michigan are Ann Arbor, Auburn Hills, Birmingham, Bloomfield Hills, Farmington Hills, Novi, Rochester Hills, Royal Oak, Troy, and Ypsilanti. The 10 USDA hardiness zone locations in Southeast Michigan are listed below.
| Location | USDA Hardiness Zone |
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