Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when to plant elephant ears by reviewing the USDA zone info for Mankato.

Planting Calendar for Elephant Ears

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

It's probably a bad idea to plant elephant ears until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant elephant ears in Mankato is May. However, you really should wait until June 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. If you wait any later than that and your elephant ears may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your elephant ears indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Mankato. You should expect an average low temperature of -25°F in the coldest months of winter.

Remember that USDA zone info for Mankato is just an average and the actual date of last frost is different every year. Half of the time in Mankato there is a last frost after May 15 so be sure to be ready to protect your elephant ears in the event of a surprise late frost.

USDA Zone Info for Mankato

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Mankato

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