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How to Manage Pests

Pests in Gardens and Landscapes

 Leaves and seed pods of Oregon ash
Leaves and seed
pods of Oregon ash

Ash—Fraxinus spp.

Plant Identification

Most ash species are deciduous and commonly seen as street trees and larger garden trees. Their size varies by species, but they are usually large and grow between 40 and 60 feet.

Optimum conditions for growth

Fraxinus spp. are fast growing trees and widely adaptable to various climates and soil types. They grow best in full sun. Most species do best with regular watering except flowering ash, Oregon ash, and foothill ash, which do best with infrequent summer water.

Fall color of Modesto ash
Fall color of Modesto ash

Pests and disorders of Fraxinus spp.

Invertebrates

Invertebrates (cont.)

Diseases

Environmental disorders

Parasitic plants

Weeds

Vertebrates


Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright © 2008 The Regents of the University of California. All rights reserved.

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See How to manage pests, or in the U.S., contact your local Cooperative Extension office for assistance. /PMG/GARDEN/PLANTS/ash.html revised: October 2, 2008. Contact webmaster.