The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant chicory in National City should be figured out by checking out the USDA zone info.

Planting Calendar for Chicory

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

Chicory do ok in mild cold which means that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant chicory in National City 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. If you wait any later than that and your chicory may not have a chance to fully mature. Starting your chicory indoors is a great way to get them started a little bit earlier.

Last Frost Date

In National City the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 35°F.

Since the USDA zone info for National City may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in National City it frosts late in the year after January 31 be ready to cover your chicory in the event of a surprise late frost.

USDA Zone Info for National City

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in National City

You may be interested in your other planting guides for National City.