Caution
This information was developed for North Carolina and may not apply to other areas.
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Legend
* 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; D = Drench, S = spray application.
Other Resources
- Aphids on Ornamental Landscape Plants. Frank, S. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
- Euonymus Scale. Frank, S. et al. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
- Twospotted Spider Mites on Landscape Plants. Frank, S. 2019 (revised). Entomology Insect Notes, NC State Extension Publications.
- Insect and Related Pests of Shrubs. Baker, J. R. ed. 1980. NC Agricultural Extension Service publication AG-189. 199 pp.
- North Carolina Agricultural Chemicals Manual
- NC State Extension Plant Pathology Publications and Factsheets
- NC State Horticultural Science Publications
Find your local N.C. Cooperative Extension county center.
This Insect Note has not been peer reviewed.
Euonymus Pest Management Calendar
Pests | Degree of Importance of Pest* | Number of applications** | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
aphids | III | 1 | Spray Application | Spray Application | Spray Application | Spray Application | ||||||||
euonymus scale | I | 2 or 3 | Spray, Drench or Granular Application | Spray, Drench or Granular Application | Spray, Drench or Granular Application | Spray, Drench or Granular Application | Spray, Drench or Granular Application | |||||||
spider mites | II | 2 | Spray Application | Spray Application | Spray Application | Spray Application |
* 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. ↲
Publication date: Jan. 22, 2019
Revised: Nov. 8, 2023
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