When to Plant Caladium in Rockland, ME

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

A common way of determining when you can plant caladium is to check out the USDA zone info for Rockland.


Planting Calendar for Caladium

Frost tolerance for caladium: Not tolerant of frost.
When to plant: After all chance of frost has passed.

It's probably a bad idea to plant caladium until after the last frost has passed because they do not do well in cold 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 Rockland 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 really do well. If you are starting your caladium indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Rockland the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Rockland is an average the actual date of last frost will vary from year to year. Since half of the time in Rockland last frost occurs after April 15 be ready to cover your caladium in the event of a surprise late frost.

USDA Zone Info for Rockland

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 Rockland

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