When can I plant Celosia in Vernon Hills, IL

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

By checking out the USDA zone info for Vernon Hills you will be able to determine when it's the best time to plant celosia.


Planting Calendar for Celosia

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

Celosia are not cold tolerant which means that it is necessary to wait until it warms up after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant celosia
Possibly ok, but a risky time to plant celosia
Probably not a good time to plant celosia

The earliest that you can plant celosia in Vernon Hills 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 grow to maturity. If you are starting your celosia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Vernon Hills. We should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Vernon Hills is an average our actual date of last frost will vary from year to year. Half of the time in Vernon Hills we get a frost after April 15 so be sure to be ready to cover your celosia if we have a late frost.

USDA Zone Info for Vernon Hills

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 Vernon Hills

You may be interested in our other planting guides for Vernon Hills.