One of the best tools that you have as gardeners to help us estimate your 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 your area.

The USDA zone info for La Mesa should be reviewed to estimate when you can plant green beans.

Planting Calendar for Green beans

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

Since green beans are not cold tolerant it's important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant green beans in La Mesa 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. Starting your green 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 La Mesa. In the coldest months of winter you can expect an average low temperature of 30°F.

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for La Mesa and it changes from year to year. Since half of the time in La Mesa there is a last frost after January 31 be ready to protect your green beans in the event of a surprise late frost.

USDA Zone Info for La Mesa

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 La Mesa

You may be interested in your other planting guides for La Mesa.