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.

In Orange you can determine when you can plant bok choi by referring to the USDA zone info.

Planting Calendar for Bok Choi

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

Bok Choi do well in moderate cold which means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant bok choi in Orange 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 bok choi and expect a good harvest is probably September. Any later than that and your bok choi may not have a chance to really do well. If you are starting your bok choi indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Orange. It might get as low as 0°F during the coldest months of winter.

Keep in mind that USDA zone info for Orange is not always accurate and the actual date of last frost is different every year. Since half of the time in Orange you get surprised by a frost after April 15 be ready to cover your bok choi if you have one of those late frosts.

USDA Zone Info for Orange

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Orange

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