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.

By looking at the USDA zone info for Wheaton you will be able to estimate when to plant endive.

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 more sensitive plants.

The earliest that you can plant endive in Wheaton 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. You can get started a little bit earlier by starting your endive indoors.

Last Frost Date

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

Since the USDA zone info for Wheaton is just an average the actual date of last frost will vary from year to year. Half of the time in Wheaton you get surprised by a frost after April 15 so make sure that you are ready to cover your endive in the event of one of those late frosts.

USDA Zone Info for Wheaton

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 Wheaton

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