One of the best tools that you have as gardeners to help us figure out 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 first chance to plant beets in San Bruno should be estimated by checking out 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 just a bit earlier in the year than other frost tender plants.

The earliest that you can plant beets in San Bruno 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. If you wait any later than that and your beets may not have a chance to fully mature. Starting your beets indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in San Bruno. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for San Bruno is not always accurate the actual date of last frost is different every year. Half of the time in San Bruno you get surprised by a frost after January 31 so just be sure to be ready to cover your beets in the event of a late frost.

USDA Zone Info for San Bruno

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 Bruno

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