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.

A common way of determining when it's a good idea to plant caladium is to check out the USDA zone info for Donna.

Planting Calendar for Caladium

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

Since caladium require warm weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant caladium in Donna is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant caladium and expect a good harvest is probably September. You probably don't want to wait any later than that or else your caladium may not have a chance to really do well. Starting your caladium indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Donna the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that USDA zone info for Donna may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Donna last frost occurs after February 15 so always be ready to cover your caladium in the event of a late frost.

USDA Zone Info for Donna

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Donna

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