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.

You will be able to figure out when it's possible to plant caladium by reviewing the USDA zone info for Oak Forest.

Planting Calendar for Caladium

Frost tolerance for caladium:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since caladium require warm weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant caladium in Oak Forest 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 caladium and expect a good harvest is probably August. If you wait any later than that and your caladium may not have a chance to grow to maturity. If you are starting your caladium indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Oak Forest. In the coldest months of winter you can expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Oak Forest is an average and the actual date of last frost changes from year to year. Half of the time in Oak Forest you get a frost after April 15 so always be ready to cover your caladium in the event of a surprise late frost.

USDA Zone Info for Oak Forest

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 Forest

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