When can I plant Bok Choi in Zone 10b

One of the first steps we take when we are determining our gardening schedule is find our USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

It's a good idea to determine when you can plant bok choi by referring to the USDA zone info for Zone 10b.


Planting Calendar for Bok Choi

Frost tolerance for bok choi: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Bok Choi do ok in moderate cold which means that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant bok choi in Zone 10b 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 bok choi and expect a good harvest is probably October. If you wait any later than that and your bok choi may not have a chance to grow to maturity. Starting your bok choi 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 Zone 10b. We should expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Zone 10b may not be accurate from year to year our actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 10b there is a last frost after January 31 be ready to cover your bok choi in the event of one of those late frosts.

USDA Zone Info for Zone 10b

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 Low35°F
Highest Expected Low40°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 Zone 10b

You may be interested in our other planting guides for Zone 10b.