The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Olympia Fields should be reviewed to figure out when it's possible to plant celosia.

Planting Calendar for Celosia

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

It's a bad idea to 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 Olympia Fields 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. You probably don't want to wait any later than that or else your celosia may not have a chance to grow to maturity. If you are starting your celosia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Olympia Fields the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Olympia Fields may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Olympia Fields last frost occurs after April 15 be ready to protect your celosia if you have a late frost.

USDA Zone Info for Olympia Fields

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Olympia Fields

You may be interested in your other planting guides for Olympia Fields.