The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's possible to plant endive is to use the USDA zone info for Santa Rosa.

Planting Calendar for Endive

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

Endive are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than other plants that might not handle the cold.

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

Last Frost Date

In Santa Rosa the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Santa Rosa is just an average and the actual date of last frost is different every year. Since half of the time in Santa Rosa it frosts late in the year after February 15 be ready to cover your endive in the event of a surprise late frost.

USDA Zone Info for Santa Rosa

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 Santa Rosa

You may be interested in your other planting guides for Santa Rosa.