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.

You can determine when it's the best time to plant string beans in Calexico by using the USDA zone info.

Planting Calendar for String beans

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

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

The earliest that you can plant string beans in Calexico 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 string beans and expect a good harvest is probably September. Any later than that and your string beans may not have a chance to really do well. Starting your string 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 Calexico. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Calexico is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Calexico there is a last frost after January 31 so always be ready to protect your string beans if you have one of those late frosts.

USDA Zone Info for Calexico

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 Calexico

You may be interested in your other planting guides for Calexico.