Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Appleton you can figure out when you can plant sorrel by checking out 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 a little earlier in the year than more sensitive plants.

The earliest that you can plant sorrel in Appleton 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. You probably don't want to wait any later than that or else your sorrel may not have a chance to really do well. 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 Appleton. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Appleton is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Appleton you get surprised by a frost after April 15 so make sure that you are prepared to protect your sorrel in the event of a late frost.

USDA Zone Info for Appleton

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Appleton

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