When to Plant Endive in Willowbrook, IL

The USDA Zone info is a great tool for gardeners to help us determine 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 earliest that you can plant endive in Willowbrook can be estimated by reviewing the USDA zone info.


Planting Calendar for Endive

Frost tolerance for endive: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Endive do well in moderate cold which tells us that you can get them planted earlier than other frost tender plants.

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

The earliest that you can plant endive in Willowbrook is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant endive and expect a good harvest is probably September. If you wait any later than that and your endive may not have a chance to grow to maturity. Starting your endive indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Willowbrook and it will vary from year to year. Since half of the time in Willowbrook you get a frost after April 15 be ready to cover your endive if you have 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.