One of the best tools that you have as gardeners to help us figure out 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 USDA zone info for Zone 12a can be reffered to in order to figure out when you can plant string beans.

Planting Calendar for String beans

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

String beans require warm weather which tells us that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant string beans in Zone 12a is January. However, you really should wait until February 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 November. If you wait any later than that and your string beans may not have a chance to grow to maturity. Starting your string beans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 12a it never frosts. You can expect an average low temperature of 50°F in the coldest months of winter.

Keep in mind that USDA zone info for Zone 12a is just an average and the actual date of last frost is different every year. Since it never frosts in Zone 12a you do not have to be ready to cover your string beans in the event of a late frost.

USDA Zone Info for Zone 12a

Here is the info for USDA Zone 12a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	50°F
Highest Expected Low	55°F

This means that on a really cold year, the coldest it will get is 50°F. On most years you should be prepared to experience lows near 55°F.

Plants to Grow in Zone 12a

You may be interested in your other planting guides for Zone 12a.