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.

The USDA zone info for Ketchikan can be reviewed to determine when it's possible to plant caladium.

Planting Calendar for Caladium

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

Caladium do not do well in cold weather which tells us that you need to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

Last Frost Date

The average date of last frost is April 15 in Ketchikan. You should expect an average low temperature of 5°F in the coldest months of winter.

It's important to remember that USDA zone info for Ketchikan is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Ketchikan last frost occurs after April 15 be ready to protect your caladium in the event of a late frost.

USDA Zone Info for Ketchikan

Here is the info for USDA Zone 7b.

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

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Ketchikan

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