One of the best tools that you have as gardeners to help us determine 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 will be able to figure out when you can plant sorrel by reviewing the USDA zone info for Pharr.

Planting Calendar for Sorrel

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

Sorrel can survive in mild cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant sorrel in Pharr 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 grow to maturity. You can get started a little bit earlier by starting your sorrel indoors.

Last Frost Date

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

Remember that USDA zone info for Pharr is an average and the actual date of last frost will vary from year to year. Since half of the time in Pharr there is a last frost after February 15 be ready to protect your sorrel if you have one of those late frosts.

USDA Zone Info for Pharr

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 Pharr

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