10/3rd Frost Report- All areas got hard frosts.

Frosty plants October 3rd

A Very chilly air mass from Canada behind a cold front that passed through Friday brought the first hard frosts to the southern area, Mostly locations fell to 32 degrees or lower, meaning the growing season has ended in most places. Saturday under partly cloudy skies highs struggled to reach the low to mid 50s for highs, skies cleared completely by evening and temperatures plummeted fast after sunset, Temperatures were already in the upper 30s by 10pm! by morning all locations fell to the upper 20s to low 30s, some places even fell to the low 20s, which was there coldest levels so far this season!

Frost in my yard limits October 3rd


At my location I had a hard frost, frost formed well into the yard limits this time. I had a low below freezing for the 1st time this season with a temperature of 31.F. Garden plants were greatly effected all tender plants were hit, even hardy plants under shaded areas right next to my house were hit, only plants right next to the house on the east and west sides were not effected. This frost officially ended the growing season at my location. Making for a total number of days that this years growing season had at 149 starting on May 10th. This means that I've had 149 days with out killing frost with temperatures below 32.F degrees. the total number of days I've gone without any frost at all was 143

How this year compares to past years based on information in my blog on my temperature calender and preip book

2010 149 days. Officially recorded

2009 140 days Estimate

2008 153 days Estimate

Lows Sunday Morning

Here is a list of the lows that were experienced, the coldest temp was 23.F at Minong, They had a deep freeze. The warmest temps were 32.F in St Croix Falls and Cumberland


One last picture of a frost Spirea flower, these are very hardy, and were not harmed by this frost!