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

The best time to plant endive in Harwood Heights should be estimated by checking out 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 means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant endive in Harwood 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. If you wait any later than that and your endive may not have a chance to really do well. Starting your endive indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Harwood Heights. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Harwood Heights is an average the actual date of last frost changes from year to year. Half of the time in Harwood Heights there is a last frost after April 15 so be sure to be ready to cover your endive if you have a surprise late frost.

USDA Zone Info for Harwood 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 Harwood Heights

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