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 best time to plant okra in Prospect Heights should be determined by checking out the USDA zone info.

Planting Calendar for Okra

Frost tolerance for okra:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You should not plant okra until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant okra in Prospect Heights is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant okra and expect a good harvest is probably August. You probably don't want to wait any later than that or else your okra may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your okra indoors.

Last Frost Date

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

Since the USDA zone info for Prospect Heights is just an average the actual date of last frost will vary from year to year. Since half of the time in Prospect Heights last frost occurs after April 15 be ready to protect your okra in the event of a late frost.

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.