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.

In San Mateo you can estimate when you can plant pole beans by looking at the USDA zone info.

Planting Calendar for Pole beans

Frost tolerance for pole beans:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Pole beans require warm weather which means that it's important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant pole beans in San Mateo 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. Any later than that and your pole beans may not have a chance to really do well. You can get started a few weeks earlier by starting your pole beans indoors.

Last Frost Date

The average date of last frost is January 31 in San Mateo. In the coldest months of winter you should expect an average low temperature of 30°F.

Just be sure to remember that USDA zone info for San Mateo may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in San Mateo it frosts late in the year after January 31 so make sure that you are prepared to cover your pole beans if you have a late frost.

USDA Zone Info for San Mateo

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 Mateo

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