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.

The earliest that you can plant bok choi in Reading can be determined 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 are moderately cold tolerant which tells us that you can get them planted earlier than other frost tender plants.

The earliest that you can plant bok choi in Reading 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 grow to maturity. You can get started a little bit earlier by starting your bok choi indoors.

Last Frost Date

The average date of last frost is April 15 in Reading. In the coldest months of winter you should expect an average low temperature of -5°F.

Always keep in mind that USDA zone info for Reading may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Reading you get a frost after April 15 so be sure to be ready to cover your bok choi in the event of one of those late frosts.

USDA Zone Info for Reading

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Reading

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