One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 way of estimating when you can plant caladium is to check out the USDA zone info for Larkspur.

Planting Calendar for Caladium

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

It's probably a bad idea to plant caladium until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant caladium in Larkspur 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. 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Larkspur. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Larkspur 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 Larkspur you get surprised by a frost after February 15 so just be sure to be ready to cover your caladium if you have one of those late frosts.

USDA Zone Info for Larkspur

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 Larkspur

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