When can I plant Runner beans in Zone 12a

One of the first steps we take when we are figuring out 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.

You can determine when to plant runner beans in Zone 12a by checking out the USDA zone info.


Planting Calendar for Runner beans

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

Since runner beans are not cold tolerant you have to wait until after the last frost has passed before you can plant them.

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

The earliest that you can plant runner 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 runner beans and expect a good harvest is probably November. If you wait any later than that and your runner beans may not have a chance to really do well. You can get started a few weeks earlier by starting your runner beans indoors.

Last Frost Date

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

Just be sure to remember that our actual date of last frost is not always accurate because it is based on the USDA zone info for Zone 12a and it can change quite a bit from year to year. Since it never frosts in Zone 12a you do not have to be ready to protect your runner beans if we have 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 Low50°F
Highest Expected Low55°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 our other planting guides for Zone 12a.