One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when it's possible to plant bok choi is to consult the USDA zone info for Brunswick.

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 ok in some cold which means that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant bok choi in Brunswick 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. Any later than that and your bok choi may not have a chance to grow to maturity. You can get started a little bit earlier by starting your bok choi indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Brunswick. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Brunswick is not always accurate the actual date of last frost will vary from year to year. Half of the time in Brunswick last frost occurs after February 15 so just be sure to be ready to cover your bok choi if you have a surprise late frost.

USDA Zone Info for Brunswick

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Brunswick

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