The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. 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 it's possible to plant sorrel by referring to the USDA zone info for Cedar Falls.

Planting Calendar for Sorrel

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

You can plant sorrel a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant sorrel in Cedar Falls 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 couple of weeks earlier.

Last Frost Date

In Cedar Falls the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Cedar Falls is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Cedar Falls you get 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 Cedar Falls

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 Cedar Falls

You may be interested in your other planting guides for Cedar Falls.