One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when you can plant elephant ears is to refer to the USDA zone info for Rosemount.

Planting Calendar for Elephant Ears

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

It's not a good 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 Rosemount 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 fully mature. If you are starting your elephant ears indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Rosemount. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Rosemount is an average the actual date of last frost changes from year to year. Since half of the time in Rosemount you get surprised by a frost after May 15 be ready to cover your elephant ears if you have a late frost.

USDA Zone Info for Rosemount

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 Rosemount

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