Scale, Mites and Adelgid damage trees and shrubs. Horticultural oils are a Green approach to treating these destructive pests. Drew Slousky, ISA Certified Arborist, and Ken Watson, PA Certified Applicator, explain how Giroud uses Horticultural Oils and show treatment being applied on Pines, Azaleas and Arborvitaes.
Check your trees for the following warning signs: white cottony spots, rust colored needles, major needle loss or excessive thinning. Ask your Giroud Arborist to inspect your trees to determine if treatment is needed.
