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

You should be able to figure out when it's a good idea to plant caladium by reviewing the USDA zone info for Harrisonburg.

Planting Calendar for Caladium

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

Since caladium do not do well in cold weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant caladium in Harrisonburg 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 really do well. Starting your caladium indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Harrisonburg the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Harrisonburg is an average the actual date of last frost will vary from year to year. Half of the time in Harrisonburg you get surprised by a frost after April 15 so make sure that you are prepared to protect your caladium if you have a surprise late frost.

USDA Zone Info for Harrisonburg

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 Harrisonburg

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