Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Bay City you can determine when it's a good idea to plant gomphrena by checking out the USDA zone info.

Planting Calendar for Gomphrena

Frost tolerance for gomphrena:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Gomphrena do ok in moderate cold which tells us that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant gomphrena in Bay City is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant gomphrena and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gomphrena may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your gomphrena indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Bay City. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Bay City is just an average the actual date of last frost will vary from year to year. Half of the time in Bay City you get a frost after April 15 so just be sure to be ready to cover your gomphrena if you have one of those late frosts.

USDA Zone Info for Bay City

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Bay City

You may be interested in your other planting guides for Bay City.