When to Plant Chrysocephalum in Willowbrook, IL

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Willowbrook you can figure out when to plant chrysocephalum by reviewing the USDA zone info.


Planting Calendar for Chrysocephalum

Frost tolerance for chrysocephalum: Not tolerant of frost.
When to plant: After the last frost has passed.

Since chrysocephalum require warm weather you really should wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant chrysocephalum in Willowbrook 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 chrysocephalum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your chrysocephalum may not have a chance to fully mature. Starting your chrysocephalum indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Willowbrook is not always accurate the actual date of last frost changes from year to year. Since half of the time in Willowbrook you get a frost after April 15 be ready to cover your chrysocephalum in the event of one of those late frosts.

USDA Zone Info for Willowbrook

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 Willowbrook

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