When to Plant Caladium in Union City, CA

One of the first steps you take when you are figuring out 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.

The first opportunity to plant caladium in Union City can be estimated 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 has passed.

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

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 Union City 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. Any later than that and your caladium may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your caladium indoors.

Last Frost Date

The average date of last frost is January 31 in Union City. It might get as low as 30°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Union City and it can change quite a bit from year to year. Since half of the time in Union City last frost occurs after January 31 be ready to protect your caladium in the event of a late frost.

USDA Zone Info for Union City

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 Low30°F
Highest Expected Low35°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 Union City

You may be interested in your other planting guides for Union City.