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

It's possible to determine when to plant caladium by looking at the USDA zone info for River Rouge.

Planting Calendar for Caladium

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

Caladium are not cold tolerant which means that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant caladium in River Rouge 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. Any later than that and your caladium may not have a chance to grow to maturity. Starting your caladium 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 River Rouge. You should expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for River Rouge is just an average and the actual date of last frost will vary from year to year. Half of the time in River Rouge 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 River Rouge

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 River Rouge

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