Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when you can plant pole beans in San Bruno by referring to the USDA zone info.

Planting Calendar for Pole beans

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

Since pole beans require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant pole beans in San Bruno is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant pole beans and expect a good harvest is probably September. You probably don't want to wait any later than that or else your pole beans may not have a chance to grow to maturity. You can get started a little bit earlier by starting your pole beans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in San Bruno. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for San Bruno is an average the actual date of last frost changes from year to year. Since half of the time in San Bruno you get surprised by a frost after January 31 be ready to cover your pole beans if you have a late frost.

USDA Zone Info for San Bruno

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Bruno

You may be interested in your other planting guides for San Bruno.