What Growing Zone Is Bay City?
Our records indicate the United States Department of Agriculture has given Bay City a growing zone designation of 6a. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Bay City's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Bay City's weather data from 1991 - 2020 in their analysis.

If you are looking for plants suitable for growing in the Bay City area, head on over to our page on plants that grow well in Bay City, MI.

Deluxe Plastic Watering Can

Worm Composting Kit

Small Greenhouse Kit

Reusable Grow Bags

Brass Decorative Faucet Handle

The growing zone is a measure of the lowest temperature that a plant can survive based on average lowest year temperatures, helping you to decide what plants would grow best in your particular climate. Since Bay City is in growing zone 6a this means that plants there can survive temperatures as low as -10 to -5 degrees Fahrenheit. Plants for Bay City's climate should be chosen with this in mind, or plants should be moved inside to keep their core temperature in the right range if necessary.

Some zones may have been changed by the USDA as of 2023. To see if the Bay City area has been affected, refer to this map of half zone changes from the 2012 version of the USDA zones to the 2023 version.

The updated map shows that over half of the Southeast has warmed by about half a zone. For gardeners, that means you can now grow plants that tolerate a bit more heat and less frost than before. The tan areas reflect this shift. Meanwhile, the white areas had slight temperature changes, but not enough to move them into a new zone. In the Western U.S., a few spots shifted cooler. That’s not due to a colder climate, but because the new map uses a larger dataset, giving a more accurate picture of local conditions. It's important to keep track of these changes when planning your garden!
Hardiness Zone FAQ
Have questions about hardiness zones and what they mean for your garden? Check out our FAQ below for quick answers to common questions about USDA hardiness zones and how they affect plant selection in Bay City, MI.
The USDA hardiness zone is 6a for Bay City. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.
Bay City's Growing Zone Details
USDA Growing Zone: 6a
Longitude: -83.8887
Latitude: 43.5902
Lowest Avg Temperatures (F): -10 to -5

Small Greenhouse Kit

Metal Arbor Trellis

Seed Starting Trays

Raised Garden Planter

Stainless Steel Garden Tool Set
Map of the Bay City Area
All Towns In MI

Small Greenhouse Kit

Shiitake Mushroom Kit

Metal Seed Storage Box

Hydroponic Garden Grow Kit

Rustic Iron Garden Trellis
Plants For Other States
Looking for the best plants in a different area of the United States? Click on a button below to find plants that are ideal for that state's temperatures.

Raised Garden Planter

Deluxe Plastic Watering Can

Wooden Chicken Coop

Brass Decorative Faucet Handle

Worm Composting Kit
To see our latest gardening and homesteading projects, you can find us on Facebook, Instagram, and TikTok.