The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Oxford should be read to estimate when it's possible to plant sorrel.

Planting Calendar for Sorrel

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

Sorrel do ok 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 Oxford is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant sorrel and expect a good harvest is probably September. If you wait any later than that and your sorrel may not have a chance to fully mature. You can get started a few weeks earlier by starting your sorrel indoors.

Last Frost Date

The average date of last frost is March 15 in Oxford. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Oxford 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 Oxford it frosts late in the year after March 15 be ready to protect your sorrel if you have a late frost.

USDA Zone Info for Oxford

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Oxford

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