The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Concord you can estimate when it's a good idea to plant runner beans by looking at the USDA zone info.

Planting Calendar for Runner beans

Frost tolerance for runner beans:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant runner beans until after the last frost has passed because they are not cold tolerant.

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

The last month that you can plant runner beans and expect a good harvest is probably September. You probably don't want to wait any later than that or else your runner beans may not have a chance to grow to maturity. Starting your runner beans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Concord. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Concord 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 Concord it frosts late in the year after February 15 so be sure to be ready to cover your runner beans in the event of one of those late frosts.

USDA Zone Info for Concord

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Concord

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