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 Orange you can determine when it's the best time to plant chinese chives by checking out 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.

Since chinese chives do well in moderate cold you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant chinese chives in Orange 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 fully mature. You can get started a few weeks earlier by starting your chinese chives indoors.

Last Frost Date

In Orange the average date of last frost happens on February 15. You should expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Orange may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Orange last frost occurs after February 15 so just be sure to be ready to cover your chinese chives in the event of one of those late frosts.

USDA Zone Info for Orange

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Orange

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