Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for San Juan it's possible to estimate when to plant elephant ears.

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 require warm weather.

The earliest that you can plant elephant ears in San Juan 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. If you wait any later than that and your elephant ears may not have a chance to really do well. Starting your elephant ears indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In San Juan the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for San Juan may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in San Juan it frosts late in the year after February 15 so be sure to be ready to cover your elephant ears if you have a surprise late frost.

USDA Zone Info for San Juan

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in San Juan

You may be interested in your other planting guides for San Juan.