One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant caladium in Phoenix can be figured out by looking at 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.

Since caladium require warm weather it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant caladium in Phoenix 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. If you wait any later than that and your caladium may not have a chance to grow to maturity. You can get started a little bit earlier by starting your caladium indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Phoenix. It might get as low as 10°F during the coldest months of winter.

Remember that USDA zone info for Phoenix is just an average and the actual date of last frost will vary from year to year. Half of the time in Phoenix you get surprised by a frost after March 15 so make sure that you are ready to protect your caladium if you have one of those late frosts.

USDA Zone Info for Phoenix

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Phoenix

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