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

By reviewing the USDA zone info for Upland it's a good idea to determine when it's the best time to plant caladium.

Planting Calendar for Caladium

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

Since caladium require warm weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant caladium in Upland is February. However, you really should wait until March 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 fully mature. You can get started a little bit earlier by starting your caladium indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Upland. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Upland is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Upland last frost occurs after January 31 so always be ready to protect your caladium in the event of a surprise late frost.

USDA Zone Info for Upland

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

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

Plants to Grow in Upland

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