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.

The USDA zone info for Mandan should be looked at to figure out when you can plant elephant ears.

Planting Calendar for Elephant Ears

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

Since elephant ears require warm weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant elephant ears in Mandan 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. Any later than that and your elephant ears may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your elephant ears indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Mandan. It might get as low as -30°F during the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Mandan and it will vary from year to year. Since half of the time in Mandan there is a last frost after May 15 be ready to cover your elephant ears if you have a late frost.

USDA Zone Info for Mandan

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Mandan

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