Before planting it is a good idea to find your USDA Zone info to determine 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.

The USDA zone info for Walnut Creek should be reffered to in order to estimate when it's a good idea 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.

Chinese chives are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant chinese chives in Walnut Creek 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 few weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Walnut Creek may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Walnut Creek last frost occurs after February 15 so make sure that you are prepared to cover your chinese chives if you have a surprise late frost.

USDA Zone Info for Walnut Creek

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 Walnut Creek

You may be interested in your other planting guides for Walnut Creek.