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.

The first chance to plant sorrel in Rosemount can be figured out by referring to 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.

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

The earliest that you can plant sorrel in Rosemount is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant sorrel and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sorrel may not have a chance to fully mature. If you are starting your sorrel indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Rosemount. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Rosemount may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Rosemount you get a frost after May 15 so be sure to be ready to cover your sorrel in the event of a late frost.

USDA Zone Info for Rosemount

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Rosemount

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