When to Plant Sorrel in Frankfort, IL

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

One way of getting a good idea when it's the best time to plant sorrel is to consult the USDA zone info for Frankfort.


Planting Calendar for Sorrel

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

Since sorrel are moderately cold tolerant you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant sorrel
Possibly ok, but a risky time to plant sorrel
Probably not a good time to plant sorrel

The earliest that you can plant sorrel in Frankfort 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 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

On average the last frost has passed is on April 15 in Frankfort. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Frankfort is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Frankfort you get surprised by a frost after April 15 so be sure to be ready to cover your sorrel if you have one of those late frosts.

USDA Zone Info for Frankfort

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Frankfort

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