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

In San Dimas you can determine when it's the best time to plant snap beans by referring to the USDA zone info.

Planting Calendar for Snap beans

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

It's a bad idea to plant snap beans until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant snap 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 snap beans and expect a good harvest is probably September. Any later than that and your snap beans may not have a chance to grow to maturity. Starting your snap beans indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is 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 is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in San Dimas you get surprised by a frost after January 31 so make sure that you are ready to cover your snap beans if you have a 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.