Noticed hundreds of chickweed in full bloom at the University of Guelph today (Mar. 27), and a dozen or more skunk cabbage on March 19 at the Brant/Waterloo county line - unfortunately the hike I was on was fast and I didn't get a chance to check it out closely.
Chickweed also seen blooming on Jan. 13 & Feb. 15; field pennycress on Jan. 3 & Jan. 13; common groundsel on Jan. 13 & Feb. 15; all these in Waterloo municipal flowerbeds
Not too exciting, but a start.
Congratulations on starting this forum.