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The Leyland Cypress Pest Management Calendar

The Leyland Cypress Pest Management Calendar gives approximate dates of pest emergence.

* 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.
S = Spray application; R = Rouge out.

Other Resources

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This Insect Note has not been peer reviewed.


Professor and Extension Specialist
Entomology & Plant Pathology
Professor Emeritus
Entomology & Plant Pathology

Publication date: Jan. 26, 2019
Revised: Oct. 1, 2019

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