One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. 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 Rancho Cucamonga should be reffered to in order to estimate 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 bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant chicory in Rancho Cucamonga 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 really do well. Starting your chicory indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Rancho Cucamonga the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Rancho Cucamonga is an average and the actual date of last frost is different every year. Since half of the time in Rancho Cucamonga last frost occurs after February 15 be ready to cover your chicory in the event of a surprise late frost.

USDA Zone Info for Rancho Cucamonga

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 Rancho Cucamonga

You may be interested in your other planting guides for Rancho Cucamonga.