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

In Lenoir City you can figure out when you can plant sorrel by referring to 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.

Sorrel do well in moderate cold which means that you can get them planted earlier than more sensitive plants.

The earliest that you can plant sorrel in Lenoir City 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. Starting your sorrel indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Lenoir City. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Lenoir City is an average the actual date of last frost will vary from year to year. Half of the time in Lenoir City last frost occurs after April 15 so make sure that you are prepared to cover your sorrel in the event of one of those late frosts.

USDA Zone Info for Lenoir City

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Lenoir City

You may be interested in your other planting guides for Lenoir City.