One of the first steps you take when you are estimating your gardening schedule is find your 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.

In Bemidji you can figure out when it's the best time to plant caladium by referring to the USDA zone info.

Planting Calendar for Caladium

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

It's probably not a good idea to plant caladium until after the last frost because they are not cold tolerant.

The earliest that you can plant caladium in Bemidji 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 really do well. 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

On average the last frost has passed is on May 15 in Bemidji. In the coldest months of winter you should expect an average low temperature of -35°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Bemidji and it changes from year to year. Half of the time in Bemidji you get surprised by a frost after May 15 so make sure that you are prepared to protect your caladium in the event of a surprise late frost.

USDA Zone Info for Bemidji

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Bemidji

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