One of the first steps you take when you are determining your gardening schedule is find your 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.

You will be able to figure out when you can plant elephant ears by checking out the USDA zone info for Walla Walla.

Planting Calendar for Elephant Ears

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

Since elephant ears require warm weather you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant elephant ears in Walla Walla 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. You can get started a couple of weeks earlier by starting your elephant ears indoors.

Last Frost Date

In Walla Walla the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Walla Walla is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Walla Walla you get a frost after April 15 be ready to cover your elephant ears in the event of a late frost.

USDA Zone Info for Walla Walla

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Walla Walla

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