When can I plant String beans in Zone 12b

One of the first steps we take when we are determining our gardening schedule is find our USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The first opportunity to plant string beans in Zone 12b should be figured out by checking out the USDA zone info.


Planting Calendar for String beans

Frost tolerance for string beans: Not tolerant of frost.
When you should plant them: After the last frost has passed.

You should not plant string beans until after all chance of frost has passed because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant string beans
Possibly ok, but a risky time to plant string beans
Probably not a good time to plant string beans

The earliest that you can plant string beans in Zone 12b 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 really do well. Starting your string beans indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Zone 12b it never frosts. In the coldest months of winter we can expect an average low temperature of 55°F.

Since the USDA zone info for Zone 12b may not be accurate from year to year our actual date of last frost can change quite a bit from year to year. Since it never frosts in Zone 12b you do not have to be ready to cover your string beans if we have a late frost.

USDA Zone Info for Zone 12b

Here is the info for USDA Zone 12b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low55°F
Highest Expected Low60°F

This means that on a really cold year, the coldest it will get is 55°F. On most years you should be prepared to experience lows near 60°F.

Plants to Grow in Zone 12b

You may be interested in our other planting guides for Zone 12b.