The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. 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 Signal Hill should be looked at to estimate when you can 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.

You really shouldn't plant elephant ears until after all chance of frost has passed because they require warm weather.

The earliest that you can plant elephant ears in Signal Hill is February. However, you really should wait until March 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. Any later than that and your elephant ears may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your elephant ears indoors.

Last Frost Date

The average date of last frost is January 31 in Signal Hill. You can expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Signal Hill may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Signal Hill last frost occurs after January 31 be ready to protect your elephant ears if you have a surprise late frost.

USDA Zone Info for Signal Hill

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Signal Hill

You may be interested in your other planting guides for Signal Hill.