One of the best tools that you have as gardeners to help us determine 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 earliest that you can plant beets in San Luis should be determined by reviewing the USDA zone info.

Planting Calendar for Beets

Frost tolerance for beets:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since beets do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant beets in San Luis is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant beets and expect a good harvest is probably October. You probably don't want to wait any later than that or else your beets may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your beets indoors.

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.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for San Luis and it will vary from year to year. Since half of the time in San Luis there is a last frost after January 31 be ready to protect your beets in the event of one of those late frosts.

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.