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 USDA zone info for Brentwood should be reviewed to estimate when it's the best time to plant chinese chives.

Planting Calendar for Chinese chives

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

You can plant chinese chives a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant chinese chives in Brentwood 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. If you wait any later than that and your chinese chives may not have a chance to fully mature. Starting your chinese chives indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Brentwood. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Brentwood is just an average the actual date of last frost will vary from year to year. Since half of the time in Brentwood there is a last frost after February 15 be ready to cover your chinese chives in the event of a surprise late frost.

USDA Zone Info for Brentwood

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Brentwood

You may be interested in your other planting guides for Brentwood.