Ornamental & Turf Insect Note Logo

Rhododendron Pest Management Calendar

The information and recommendations in these Notes were developed for North Carolina conditions and may not apply elsewhere.

rhododendron pest calendar

* Degree of importance of pest: I=Important pest, high probability of occurrence, II=Treat as needed: III=Occasional pest, treat when detected.

** Number of applications needed for most effective control. It is usually best to wait 10 to 14 days between applications in cool weather and 7 to 10 days between applications in warm weather.

G=granular; P=prune out infested twigs or branches; S=Spray application.

Other Resources

Published by North Carolina Cooperative Extension Service

Distributed in furtherance of the Acts of Congress of May 8 and June 30, 1914. Employment and program opportunities are offered to all people regardless of race, color, national origin, sex, age, or disability. North Carolina State University at Raleigh, North Carolina A&T State University, U.S. Department of Agriculture, and local governments cooperating.
© 2001 NC Cooperative Extension Service

James R. Baker, Extension Specialist (emeritus)
Web page last reviewed January, 2008 by webperson.

ENT/ort-58