One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when you can plant sorrel by using the USDA zone info for Odessa.

Planting Calendar for Sorrel

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

Sorrel are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant sorrel in Odessa 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. Any later than that and your sorrel may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your sorrel indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Odessa. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Odessa is just an average the actual date of last frost will vary from year to year. Half of the time in Odessa last frost occurs after April 15 so just be sure to be ready to protect your sorrel in the event of one of those late frosts.

USDA Zone Info for Odessa

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Odessa

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