When can I plant Runner beans in Zone 11b

One of the best tools that we have as gardeners to help us determine our gardening schedule is the 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 runner beans in Zone 11b can be estimated 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 all chance of frost has passed.

Runner beans are not cold tolerant which means that you have to wait until it warms up 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 11b 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. 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. If you are starting your runner beans indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Zone 11b it never frosts. In the coldest months of winter we can expect an average low temperature of 45°F.

It's important to remember that our actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Zone 11b and it can change quite a bit from year to year. Since it never frosts in Zone 11b you do not have to be ready to protect your runner beans in the event of one of those late frosts.

USDA Zone Info for Zone 11b

Here is the info for USDA Zone 11b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low45°F
Highest Expected Low50°F

This means that on a really cold year, the coldest it will get is 45°F. On most years you should be prepared to experience lows near 50°F.

Plants to Grow in Zone 11b

You may be interested in our other planting guides for Zone 11b.