Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In San Bruno you can estimate when it's possible to plant chinese chives by looking at the USDA zone info.

Planting Calendar for Chinese chives

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

Chinese chives do well in moderate cold which means that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant chinese chives 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 chinese chives and expect a good harvest is probably October. Any later than that and your chinese chives may not have a chance to grow to maturity. Starting your chinese chives indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In San Bruno 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.

Just be sure to remember that USDA zone info for San Bruno is just an average and the actual date of last frost changes from year to year. Half of the time in San Bruno last frost occurs after January 31 so always be ready to protect your chinese chives 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.