April 7, 2012 Hudson River Fact: When the shad bush blooms Leave a comment The common name “shadbush” was coined because the species’ flowering often coincides with the time of the upriver migration of the shad fish. This species is also called the common serviceberry, a name derived from the Sarvis tree. Happy Spring! Share this:TwitterFacebookLike this:Like Loading... Related Posted by rareawareness in Fish Tales, Hudson River Fact of the Week Tagged: Fish, shad