One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when it's the best time to plant endive by using the USDA zone info for Schiller Park.

Planting Calendar for Endive

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

Since endive are one of those plants that can tolerate a little bit of cold weather you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant endive in Schiller Park 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. Any later than that and 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 little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Schiller Park. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Schiller Park may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Schiller Park you get surprised by a frost after April 15 be ready to protect your endive in the event of a surprise late frost.

USDA Zone Info for Schiller Park

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 Schiller Park

You may be interested in your other planting guides for Schiller Park.