When to Plant Bok Choi in Butler, PA

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's the best time to plant bok choi is to examine the USDA zone info for Butler.


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 moderately cold tolerant you can plant them a little earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bok choi
Possibly ok, but a risky time to plant bok choi
Probably not a good time to plant bok choi

The earliest that you can plant bok choi in Butler 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 fully mature. Starting your bok choi indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Butler the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Remember that USDA zone info for Butler is an average and the actual date of last frost is different every year. Half of the time in Butler you get a frost after April 15 so be sure to be ready to protect your bok choi if you have one of those late frosts.

USDA Zone Info for Butler

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Butler

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