Ash borer quick facts

The purple foliage is from the Autumn Purple Ash tree. The ash trees on campus are being removed as a precaution against the Emerald Ash Borer. The borer lays its eggs in ash trees, and the ash trees are eaten by the larvae after they hatch.

Jace Dostal

When deciding which Ash trees on Iowa State’s campus to keep and which ones to remove Rhonda Martin, landscape architect with facilities planning and management, looks at five determining factors:

  • The selected tree cannot be rare on the Iowa State campus
  • The selected tree cannot be used as an example by the multiple plant classes on campus
  • The selected tree is already in decline
  • The selected tree will be difficult to protect with pesticides because of limited root space
  • The selected tree is in close proximity to several other similar Ash trees

Click here to read the full Ash Borer story.