I spotted the first blossom trees in Niagara. But I have to admit I don't know what kind of blossoms they are. I am thinking apricots. I remember in 2012 when we had the mildest of winters, Ii saw apricots blossoms in March, and then there was cold weather so the crop didn't develop.
I saw these trees across from the United Mennonite Home in Vineland.
I went to Cherry Lane on Victoria Street, to see if there was anything blooming there. Cherry Lane has quite a distinction. This is a family where the tenth generation is farming. But that isn't their fame. What distinguishes their family is the development of the first red peach - Red Haven. It's the best known one now. They also have a major processing and cherry brining facility. There's an overview of Niagara fruit growers here.
Vineyards are showing the pink but at the ground level - this second picture is at Jordan Station. I think the flowers are a wild/weedy form of lamium. I have a bit in my garden too.
And I checked out my favourite weeping cherry tree on Niagara Street (across from Laura Secord High School) in St. Catharines, and the blossoms are showing pink.