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

The first chance to plant sorrel in Nogales can be estimated by looking at 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 plant them earlier than other frost tender plants.

The earliest that you can plant sorrel in Nogales 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 really do well. Starting your sorrel indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Nogales. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Nogales is just an average the actual date of last frost is different every year. Since half of the time in Nogales you get a frost after March 15 be ready to cover your sorrel if you have one of those late frosts.

USDA Zone Info for Nogales

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 Nogales

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