Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for San Dimas can be read to determine when to plant green beans.

Planting Calendar for Green beans

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

You should not plant green beans until after the last frost because they are not cold tolerant.

The earliest that you can plant green beans in San Dimas 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 green beans and expect a good harvest is probably September. You probably don't want to wait any later than that or else your green beans may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your green beans indoors.

Last Frost Date

On average the last frost has passed is on January 31 in San Dimas. It might get as low as 30°F during the coldest months of winter.

Keep in mind that USDA zone info for San Dimas may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in San Dimas last frost occurs after January 31 be ready to protect your green beans if you have a surprise late frost.

USDA Zone Info for San Dimas

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 Dimas

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