One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant chinese chives in Larkspur should be determined 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.

You can plant chinese chives a little bit earlier in the year because they are moderately cold tolerant.

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

Last Frost Date

The average date of last frost is February 15 in Larkspur. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Larkspur is just an average the actual date of last frost will vary from year to year. Since half of the time in Larkspur it frosts late in the year after February 15 be ready to cover your chinese chives in the event of one of those late frosts.

USDA Zone Info for Larkspur

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 Larkspur

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