One of the first steps you take when you are figuring out your gardening schedule is find your 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.

A common way of estimating when to plant sorrel is to check out the USDA zone info for Lincoln Park.

Planting Calendar for Sorrel

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

Since sorrel do well in moderate cold you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant sorrel in Lincoln Park 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. If you are starting your sorrel indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Lincoln Park. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Lincoln Park is just an average the actual date of last frost is different every year. Half of the time in Lincoln Park there is a last 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 Lincoln Park

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Lincoln Park

You may be interested in your other planting guides for Lincoln Park.