Before planting it is a good idea to find your USDA Zone info to estimate your garden 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 Irvine should be looked at to determine when it's a good idea to plant chicory.

Planting Calendar for Chicory

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

You can plant chicory a little bit 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 chicory in Irvine 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 chicory and expect a good harvest is probably October. Any later than that and your chicory may not have a chance to grow to maturity. You can get started a little bit earlier by starting your chicory indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Irvine. You can expect an average low temperature of 30°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Irvine and it is different every year. Since half of the time in Irvine it frosts late in the year after January 31 be ready to protect your chicory in the event of one of those late frosts.

USDA Zone Info for Irvine

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Irvine

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