When to Plant Kale in Alhambra, CA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant kale in Alhambra should be determined by reviewing the USDA zone info.


Planting Calendar for Kale

Frost tolerance for kale: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

You can plant kale a little bit earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant kale in Alhambra is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant kale and expect a good harvest is probably October. You probably don't want to wait any later than that or else your kale may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your kale indoors.

Last Frost Date

On average the last frost is on January 31 in Alhambra. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Alhambra is just an average the actual date of last frost is different every year. Since half of the time in Alhambra there is a last frost after January 31 be ready to protect your kale in the event of one of those late frosts.

USDA Zone Info for Alhambra

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 Alhambra

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