One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant melons in Oak Brook should be estimated by checking out the USDA zone info.

Planting Calendar for Melons

Frost tolerance for melons:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You can not plant melons until after the last frost because they require warm weather.

The earliest that you can plant melons in Oak Brook 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 melons and expect a good harvest is probably August. Any later than that and your melons may not have a chance to grow to maturity. Starting your melons indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Oak Brook. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Oak Brook is not always accurate the actual date of last frost is different every year. Since half of the time in Oak Brook last frost occurs after April 15 be ready to protect your melons if you have one of those late frosts.

USDA Zone Info for Oak Brook

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 Oak Brook

You may be interested in your other planting guides for Oak Brook.