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.

By using the USDA zone info for Sturtevant it's possible to estimate when it's possible to plant bok choi.

Planting Calendar for Bok Choi

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

Since bok choi are one of those plants that can tolerate a little bit of cold weather you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant bok choi in Sturtevant 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. You probably don't want to wait any later than that or else your bok choi may not have a chance to fully mature. You can get started a few weeks earlier by starting your bok choi indoors.

Last Frost Date

The average date of last frost is April 15 in Sturtevant. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Sturtevant is just an average and the actual date of last frost will vary from year to year. Half of the time in Sturtevant there is a last frost after April 15 so be sure to be ready to protect your bok choi in the event of one of those late frosts.

USDA Zone Info for Sturtevant

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Sturtevant

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