When to Plant Caladium in Palmerton, PA

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

The first chance to plant caladium in Palmerton should be estimated by using 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.

Caladium require warm weather which tells us that you must wait until it warms up after the last frost 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 Palmerton 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. Any later than that and your caladium may not have a chance to grow to maturity. If you are starting your caladium indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Palmerton. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Palmerton is not always accurate and the actual date of last frost is different every year. Since half of the time in Palmerton it frosts late in the year after April 15 be ready to cover your caladium in the event of a surprise late frost.

USDA Zone Info for Palmerton

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°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 -5°F.

Plants to Grow in Palmerton

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