When to Plant Endive in Prospect Heights, 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 first chance to plant endive in Prospect Heights can be determined by using 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 are moderately cold tolerant which tells us that you can start planting them 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 Prospect Heights 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. You probably don't want to wait any later than that or else your endive may not have a chance to fully mature. If you are starting your endive indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Prospect Heights. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Prospect Heights is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Prospect Heights you get a frost after April 15 so make sure that you are prepared to protect your endive if you have one of those late frosts.

USDA Zone Info for Prospect Heights

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 Prospect Heights

You may be interested in your other planting guides for Prospect Heights.