The USDA Zone info is a great tool for gardeners to help us figure out 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 it's possible to plant caladium is to look at the USDA zone info for Plymouth.

Planting Calendar for Caladium

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

You really shouldn't plant caladium until after the last frost because they do not do well in cold weather.

The earliest that you can plant caladium in Plymouth 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. You can get started a few weeks earlier by starting your caladium indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Plymouth. It might get as low as -15°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Plymouth and it will vary from year to year. Half of the time in Plymouth you get surprised by a frost after April 15 so always be ready to cover your caladium if you have one of those late frosts.

USDA Zone Info for Plymouth

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Plymouth

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