Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when it's possible to plant endive is to use the USDA zone info for Highland 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 do well in moderate cold you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant endive in Highland 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. You probably don't want to wait any later than that or else your endive may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your endive indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Highland Park. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Highland Park is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Highland Park you get a frost after April 15 be ready to protect your endive in the event of one of those late frosts.

USDA Zone Info for Highland 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 Highland Park

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