When to Plant Elephant Ears in Rosemead, CA

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Rosemead you can figure out when it's the best time to plant elephant ears by referring to 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 when the weather gets warmer.

Since elephant ears are not cold tolerant you really should wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant elephant ears
Possibly ok, but a risky time to plant elephant ears
Probably not a good time to plant elephant ears

The earliest that you can plant elephant ears in Rosemead 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. Starting your elephant ears indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Rosemead. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Rosemead is an average the actual date of last frost changes from year to year. Half of the time in Rosemead you get surprised by a frost after January 31 so always be ready to protect your elephant ears in the event of a late frost.

USDA Zone Info for Rosemead

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Rosemead

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