One of the best tools that you have as gardeners to help us determine 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.

A common way of estimating when it's a good idea to plant caladium is to refer to the USDA zone info for River Edge.

Planting Calendar for Caladium

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

It's probably not a good idea to plant caladium until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant caladium in River Edge 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. You probably don't want to wait any later than that or else your caladium may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your caladium indoors.

Last Frost Date

The average date of last frost is April 15 in River Edge. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for River Edge is just an average the actual date of last frost is different every year. Half of the time in River Edge there is a last frost after April 15 so always be ready to cover your caladium in the event of a surprise late frost.

USDA Zone Info for River Edge

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in River Edge

You may be interested in your other planting guides for River Edge.