April showers did bring May flowers this year.
There are a few Autumnberry cultivars I grow for the edible fruit. This spring they are full of flowers and are heavily scented.
Evans Cherry is a sour cherry that has large bundles of flowers on it.
Littleleaf Lilac has a lot of attractive pink flowers, while Sensation Lilac has purple flowers with a white outline.
Most of the Peach trees are loaded with flowers this year.
Siberian Peashrub(Caragana arborescens) has many yellow flowers.
This Ussurian Plum(Prunus ussuriensis) was like a white cloud with all the blossoms on the tree.