Common Cultural: Needle loss
Biology
Conifer trees periodically shed older needles. In the early fall following a dry summer, western red cedar often dramatically shed older needles; this is known as cedar flagging.
Broadleaf evergreen plants also show periodic dropping (abscission) of older leaves. This is a natural biological process and not cause for concern in most instances.
Management Options
See "Using Integrated Pest Management (IPM) in the Landscape" for successful problem management techniques.
Non-chemical Management
Select non-chemical management options as your first choice!
None recommended.
Chemical Management
IMPORTANT: Always read and follow label directions when working with pesticides.
- For more information on using pesticides visit Home and Garden Fact Sheets | Pesticide Resources and Education Program | WSU.
- Also visit Pacific Northwest Pest Management Handbooks.
None recommended.
WSU Extension programs and employment are available to all without discrimination.
Evidence of noncompliance may be reported through your local Extension office.


