Patent PP21712 was granted and assigned to Spring Meadow Nursery, Inc. on February, 2011 by the United States Patent and Trademark Office.
A new and distinct cultivar of Spiraea plant named ‘Galen’, characterized by its compact, upright, outwardly spreading and mounding plant habit; vigorous growth habit; freely branching habit; developing leaves that are dark burgundy in color that become green in color with development; numerous purple-colored flowers; good garden performance; and resistance to Powdery Mildew.