No freeze in Seattle this March, or since February 26. From http://www.beautifulseattle.com/mthsum.asp

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March’s 2011 weather for Seattle brought below normal temperatures, sunshine, clouds, strong winds, and a lot of rain after a very cool and partly cloudy February. There were ten days in March with partly cloudy sky conditions and twenty-one days with cloudy sky conditions.

Precipitation for the month was 2.54 inches above normal at 6.29 inches compared to the normal 3.75 inches. There were twenty-eight days in March that had precipitation - twenty-four days with measurable precipitation and four days with a trace of precipitation. The maximum twenty-hour precipitation total was 1.47 inches on March 9 breaking the previous record of 0.83 inches set in 2003. Precipitation for the year was running 1.27 inches above normal at 14.33 inches compared to the normal 13.06 inches.

Temperatures for the month averaged 1.1 degrees below normal - the mean average temperature was 45.1 degrees compared to the normal 46.2 degrees. The average daily high was 1.8 degrees below normal at 51.4 degrees compared to the normal 53.2 degrees. There were only two days in March that reached a high temperature of 60 degrees or above. The warmest day was March 23 when the temperature reached a high of 62 degrees; the coolest was March 4 when the temperature reached a low of 33 degrees.

The daily average wind speed for the month was 9.8 mph. The maximum wind peak gust was 55 mph from the south on March 10.
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The soil temperature is up to 49 degrees, according to http://weather.wsu.edu/ .
Still too soggy to do any digging, but slowly
Spring is getting back on track.
Photo-Cherry blossoms at the University of Washington