Propagating Trees and Shrubs by Air-layering (in-person)       

WSU Master Gardener Trisha Bonapace  will demonstrate how to propagate new trees and shrubs from woody plant material. This is done while the stem is still attached to the parent plant!  The workshop will be held at the Cowlitz Co. Training Center, 1942 1st Ave., Longview, WA 98632, on the dike beside the Hall of Justice. No registration required.