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.

In Gilroy you can estimate when you can plant sorrel by using the USDA zone info.

Planting Calendar for Sorrel

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

You can plant sorrel a little earlier in the year because they do well in moderate cold.

The earliest that you can plant sorrel in Gilroy 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 sorrel and expect a good harvest is probably October. Any later than that and your sorrel may not have a chance to fully mature. Starting your sorrel indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Gilroy. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Gilroy is just an average the actual date of last frost changes from year to year. Since half of the time in Gilroy you get surprised by a frost after February 15 be ready to cover your sorrel if you have a late frost.

USDA Zone Info for Gilroy

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 Gilroy

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