When to Plant Celosia in Morrison, IL

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of estimating when it's the best time to plant celosia is to use the USDA zone info for Morrison.


Planting Calendar for Celosia

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

You really shouldn't plant celosia until after all chance of frost has passed because they do not do well in cold weather.

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 Morrison 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. You can get started a little bit earlier by starting your celosia indoors.

Last Frost Date

The average date of last frost is April 15 in Morrison. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Morrison may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Morrison last frost occurs after April 15 be ready to cover your celosia if you have a late frost.

USDA Zone Info for Morrison

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 Morrison

You may be interested in your other planting guides for Morrison.