One of the best tools that you have as gardeners to help us estimate 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.

It's possible to figure out when it's possible to plant sorrel by reviewing the USDA zone info for Yorba Linda.

Planting Calendar for Sorrel

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

Sorrel do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant sorrel in Yorba Linda 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 really do well. You can get started a little bit earlier by starting your sorrel indoors.

Last Frost Date

In Yorba Linda the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Yorba Linda 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 Yorba Linda there is a last frost after January 31 be ready to protect your sorrel if you have one of those late frosts.

USDA Zone Info for Yorba Linda

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Yorba Linda

You may be interested in your other planting guides for Yorba Linda.