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.

The earliest that you can plant green beans in Pittsburgh can be determined by using the USDA zone info.

Planting Calendar for Green beans

Frost tolerance for green beans:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant green beans until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant green beans in Pittsburgh is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant green beans and expect a good harvest is probably August. Any later than that and your green beans may not have a chance to really do well. You can get started a little bit earlier by starting your green beans indoors.

Last Frost Date

The average date of last frost is April 15 in Pittsburgh. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Pittsburgh may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Pittsburgh you get a frost after April 15 so make sure that you are ready to protect your green beans in the event of a late frost.

USDA Zone Info for Pittsburgh

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 Pittsburgh

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