Common Landscape Pests

Latest revision: 
March 2023

A list of the arthropod pests and pesticides for each landscape plant would be lengthy and repetitive. To conserve space, we have generated a list of common pests that can plague a range of ornamental plants, shrubs, and trees (both deciduous and coniferous) in PNW landscapes. Since this is a subset of plants found in home landscapes, the homeowner and applicator must refer to the pesticide label to determine whether any pesticide product can be legally and safely applied to specific plants in their home landscape.