The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when you can plant string beans by using the USDA zone info for Bisbee.

Planting Calendar for String beans

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

Since string beans require warm weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant string beans in Bisbee 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 string beans and expect a good harvest is probably August. If you wait any later than that and your string beans may not have a chance to really do well. Starting your string beans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Bisbee. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Bisbee is an average the actual date of last frost changes from year to year. Half of the time in Bisbee you get a frost after March 15 so always be ready to protect your string beans in the event of a surprise late frost.

USDA Zone Info for Bisbee

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Bisbee

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