One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Sterling Heights can be reffered to in order to figure out when you can plant celosia.

Planting Calendar for Celosia

Frost tolerance for celosia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You should not plant celosia until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant celosia in Sterling Heights is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant celosia and expect a good harvest is probably August. Any later than that and your celosia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your celosia indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Sterling Heights. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Sterling Heights may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Sterling Heights it frosts late in the year after April 15 so be sure to be ready to protect your celosia if you have a surprise late frost.

USDA Zone Info for Sterling Heights

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 Sterling Heights

You may be interested in your other planting guides for Sterling Heights.