The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Ishpeming you can figure out when to plant caladium by checking out the USDA zone info.

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 do not do well in cold weather which tells us 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 Ishpeming 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. If you wait 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 little bit earlier.

Last Frost Date

In Ishpeming the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Ishpeming is just an average the actual date of last frost changes from year to year. Half of the time in Ishpeming you get surprised by a frost after May 15 so always be ready to cover your caladium in the event of one of those late frosts.

USDA Zone Info for Ishpeming

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 Ishpeming

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