The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Blue Island you can estimate when it's a good idea to plant elephant ears by looking at the USDA zone info.

Planting Calendar for Elephant Ears

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

Since elephant ears require warm weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant elephant ears in Blue Island 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 elephant ears and expect a good harvest is probably August. Any later than that and your elephant ears may not have a chance to fully mature. Starting your elephant ears indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Blue Island 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 Blue Island may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Blue Island there is a last frost after April 15 so always be ready to cover your elephant ears in the event of a late frost.

USDA Zone Info for Blue Island

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 Blue Island

You may be interested in your other planting guides for Blue Island.