One of the first steps you take when you are figuring out your gardening schedule is find your 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.

You should be able to estimate when it's possible to plant scarlet runner beans by reviewing the USDA zone info for Los Fresnos.

Planting Calendar for Scarlet Runner Beans

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

It's not a good idea to plant scarlet runner beans until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant scarlet runner beans in Los Fresnos 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 scarlet runner beans and expect a good harvest is probably September. Any later than that and your scarlet runner beans may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your scarlet runner beans indoors.

Last Frost Date

In Los Fresnos the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Remember that USDA zone info for Los Fresnos is not always accurate and the actual date of last frost changes from year to year. Half of the time in Los Fresnos you get surprised by a frost after January 31 so always be ready to protect your scarlet runner beans if you have one of those late frosts.

USDA Zone Info for Los Fresnos

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 Los Fresnos

You may be interested in your other planting guides for Los Fresnos.