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

A common way of figuring out when it's the best time to plant caladium is to refer to the USDA zone info for New Richmond.

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 means that you have to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant caladium in New Richmond is May. However, you really should wait until June 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. If you are starting your caladium indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in New Richmond. You can expect an average low temperature of -25°F in the coldest months of winter.

Remember that USDA zone info for New Richmond is not always accurate and the actual date of last frost will vary from year to year. Half of the time in New Richmond it frosts late in the year after May 15 so make sure that you are ready to protect your caladium if you have one of those late frosts.

USDA Zone Info for New Richmond

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in New Richmond

You may be interested in your other planting guides for New Richmond.