Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Alpine you can figure out when it's possible to plant sorrel 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 can survive in some cold which means that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant sorrel in Alpine 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 grow to maturity. You can get started a couple of weeks earlier by starting your sorrel indoors.

Last Frost Date

In Alpine the average date of last frost happens on March 15. You should expect an average low temperature of 10°F in the coldest months of winter.

Remember that USDA zone info for Alpine may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Alpine you get surprised by a frost after March 15 so be sure to be ready to protect your sorrel if you have one of those late frosts.

USDA Zone Info for Alpine

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 Alpine

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