Cherry blossom tree diseased?

Hi there. I have some type of blossoming tree which was beautiful early spring. But once it lost its blossoms it has really suffered. It looks like some kind of fungus or disease. Any advice?…

Cherry Tree -Black Knot

My cherry tree has a big knob on one of the branches I was wondering what it is. It is in full sun. We have clay soil. I think we are in zone 5 here in Schomberg ON…