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Tree Care by Certified Arborists

Integrated Pest Management (IPM)

You take your own health seriously. As arborists, we take your plants health seriously. Plants, including trees, are susceptible to all sorts of insects, diseases, bacteria, fungi and other pests and pathogens. We are experts in plant pests, diseases and pathology. Just like doctors, we cannot prescribe treatments until we diagnosis a problem. Once correctly diagnosed, either preventative or curative prescriptions options are available. 

Plant Health Care is a comprehensive system for managing the appearance, structure and vitality of ornamental landscapes. Plant health care is a proactive, holistic management system that encompasses all aspects of landscape stewardship: site evaluation and preparation; plant selection, establishment and cultivation; pest management; and plant utilization and removal. 

Plant health care recognizes that trees and woody plants are part of a greater landscape ecosystem that includes annual and perennial herbaceous plants as well as turfgrasses and associates. These vegetative components interact with one another on multiple ecological levels through competition, allelopathy, nutrient cycling, microclimate alteration and pest and pathogen dynamics. To create sustainable landscapes, Peninsula Horticulture understands these interactions and adopts whole landscape ecosystem approaches in our PHC practices. 

An essential component of PHC is pest, pathogen and disease management. Pests, pathogens and diseases frequently threaten the health, structure, appearance, and value of landscape plants. For most of the 20th century, landscape pest management had a single dimension: chemical control (herbicides). Peninsula Horticulture and other land managers are now using a multidimensional approach to landscape pest management called Integrated Pest Management or IPM. Using IPM we address the ecological, social and economic function of pest, pathogen and disease management. 

With Peninsula Horticulture's plant health care management system, healthy plants are better able to resist and tolerate pests, pathogens and diseases. 

Pests and Pathogens

Pests we encounter in Plant Health Care are Arthropods, or invertebrate animals with exoskeletons. Think of beetles, moths, ants, and caterpillars. A variety of native western Washington pests damage our trees, ornamental plants, forests and crops. Near urban environments, we encounter a greater variety of pests on our trees and plants.

Some of these pests are native and have evolved with our natural systems. Some of our native Washington pests are the tent caterpillar, fall webworm, aphids and adeldgis. Other are exotic and sometimes invasive, examples are the emerald ash borer (Agrilus planiipennis), Asian longhorned beetle (Anoplophora glabripennis), Cherry bark tortix (Enarmonia formosana) and the walnut twig beetle (Pityophthorus juglandis).