One of the best tools that you have as gardeners to help us figure out 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.

The best time to plant elephant ears in Houston can be estimated by checking out the USDA zone info.

Planting Calendar for Elephant Ears

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

It's probably not a good idea to plant elephant ears until after the last frost because they are not cold tolerant.

The earliest that you can plant elephant ears in Houston is March. However, you really should wait until April 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 September. You probably don't want to wait any later than that or else your elephant ears may not have a chance to grow to maturity. You can get started a little bit earlier by starting your elephant ears indoors.

Last Frost Date

The average date of last frost is February 15 in Houston. You should expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Houston may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Houston it frosts late in the year after February 15 be ready to cover your elephant ears if you have a late frost.

USDA Zone Info for Houston

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

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

Plants to Grow in Houston

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