One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when to plant elephant ears is to refer to the USDA zone info for Sierra Vista.

Planting Calendar for Elephant Ears

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

You really shouldn't plant elephant ears until after the last frost because they do not do well in cold weather.

The earliest that you can plant elephant ears in Sierra Vista 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. You probably don't want to wait any later than that or else 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 few weeks earlier.

Last Frost Date

In Sierra Vista the average date of last frost happens on March 15. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Sierra Vista is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Sierra Vista there is a last frost after March 15 so be sure to be ready to protect your elephant ears in the event of a late frost.

USDA Zone Info for Sierra Vista

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Sierra Vista

You may be interested in your other planting guides for Sierra Vista.