I know winter just got started, what with our overnight single digits and all and our fresh, long-awaited covering of snow, but I can't help looking ahead to spring and the promise of dirt under my fingernails. For anyone who ever does yard work (whether you enjoy it or not) this website is most helpful for figuring out if that scraggly little shrub is a beautiful native plant or an invasive weed.

http://www.extension.umn.edu/gardeninfo/weedid/