When can I plant Caladium in Zone 3a

One of the first steps we take when we are estimating our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

You should be able to determine when to plant caladium by checking out the USDA zone info for Zone 3a.


Planting Calendar for Caladium

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

You should not plant caladium until after the last frost because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant caladium
Possibly ok, but a risky time to plant caladium
Probably not a good time to plant caladium

The earliest that you can plant caladium in Zone 3a is May. However, you really should wait until June 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 fully mature. You can get started a little bit earlier by starting your caladium indoors.

Last Frost Date

The average date of last frost is May 15 in Zone 3a. We can expect an average low temperature of -40°F in the coldest months of winter.

Since the USDA zone info for Zone 3a is not always accurate our actual date of last frost will vary from year to year. Since half of the time in Zone 3a we get surprised by a frost after May 15 be ready to cover your caladium if we have one of those late frosts.

USDA Zone Info for Zone 3a

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-40°F
Highest Expected Low-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in Zone 3a

You may be interested in our other planting guides for Zone 3a.