When to Plant Sorrel in Osceola, IA

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Osceola it's possible to estimate when it's the best time to plant sorrel.


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 just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

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 Osceola 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. You can get started a couple of weeks earlier by starting your sorrel indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Osceola. You should expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Osceola may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Osceola you get surprised by a frost after April 15 so just be sure to be ready to cover your sorrel if you have a late frost.

USDA Zone Info for Osceola

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 Osceola

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