The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant green beans in San Luis should be estimated by looking at the USDA zone info.

Planting Calendar for Green beans

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

It's probably a bad idea to plant green beans until after the last frost has passed because they require warm weather.

The earliest that you can plant green beans in San Luis 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. If you are starting your green beans indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In San Luis the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for San Luis is not always accurate the actual date of last frost will vary from year to year. Half of the time in San Luis it frosts late in the year after January 31 so be sure to be ready to protect your green beans in the event of a late frost.

USDA Zone Info for San Luis

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 Luis

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