One of the best tools that you have as gardeners to help us estimate 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 figure out when to plant endive in Norco by referring to the USDA zone info.

Planting Calendar for Endive

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

Since endive are moderately cold tolerant you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant endive in Norco 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 endive and expect a good harvest is probably October. Any later than that and your endive may not have a chance to really do well. Starting your endive indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Norco is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Norco there is a last frost after February 15 so make sure that you are ready to cover your endive if you have a surprise late frost.

USDA Zone Info for Norco

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 Norco

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