One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when to plant caladium by using the USDA zone info for Warren.

Planting Calendar for Caladium

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

It's 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 Warren 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 fully mature. You can get started a few weeks earlier by starting your caladium indoors.

Last Frost Date

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

Remember that USDA zone info for Warren is just an average and the actual date of last frost is different every year. Half of the time in Warren last frost occurs after April 15 so just be sure to be ready to protect your caladium if you have a late frost.

USDA Zone Info for Warren

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 Warren

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