The USDA Zone info is a great tool for gardeners to help us estimate 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.

By looking at the USDA zone info for Summit it's possible to determine when to plant caladium.

Planting Calendar for Caladium

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

Caladium are not cold tolerant which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant caladium in Summit 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 really do well. You can get started a few weeks earlier by starting your caladium indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Summit. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Summit is just an average the actual date of last frost will vary from year to year. Half of the time in Summit you get surprised by a frost after April 15 so always be ready to protect your caladium if you have a surprise late frost.

USDA Zone Info for Summit

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Summit

You may be interested in your other planting guides for Summit.