Cotoneaster Hedge Scale Infestation: Systemic Insecticide

Cotoneaster Hedge Scale Infestation: Systemic Insecticide

25-year cotoneaster hedge with white bumps on stems, dying sections: scale insects. Horticultural oil failed; hedge nearly dead.

Effective Treatment

• Bayer Advanced Tree and Shrub Insecticide soil drench.
• Measure plant size for dosage.
• Systemic kills scale in 1 week; protects 1 year.
• Expensive but works; cut dead sections after treatment.

Neighbors

Spread likely; coordinate treatment if possible. New growth returns from base if roots alive.