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.

One way of estimating when it's the best time to plant bok choi is to look at the USDA zone info for Farmington.

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 in the year than more sensitive plants.

The earliest that you can plant bok choi in Farmington 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. 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 April 15 in Farmington. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Farmington is an average the actual date of last frost will vary from year to year. Half of the time in Farmington it frosts late in the year after April 15 so always be ready to protect your bok choi if you have a surprise late frost.

USDA Zone Info for Farmington

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 Farmington

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