Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when it's possible to plant begonias by referring to the USDA zone info for Chicago Heights.

Planting Calendar for Begonias

Frost tolerance for begonias:	Not tolerant of frost.
When to plant:	After the last frost.

Since begonias require warm weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant begonias in Chicago 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 begonias and expect a good harvest is probably August. You probably don't want to wait any later than that or else your begonias may not have a chance to fully mature. You can get started a few weeks earlier by starting your begonias indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Chicago Heights. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for Chicago Heights may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Chicago Heights last frost occurs after April 15 be ready to protect your begonias if you have one of those late frosts.

USDA Zone Info for Chicago 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 Chicago Heights

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