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.

You can estimate when it's a good idea to plant chinese chives in Red Bluff 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 are moderately cold tolerant which means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant chinese chives in Red Bluff 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. You can get started a little bit earlier by starting your chinese chives indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Red Bluff. You should expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that USDA zone info for Red Bluff is just an average and the actual date of last frost is different every year. Half of the time in Red Bluff you get surprised by a frost after February 15 so make sure that you are prepared to cover your chinese chives if you have a late frost.

USDA Zone Info for Red Bluff

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 Red Bluff

You may be interested in your other planting guides for Red Bluff.