TreeIssues

Bark Bonnet

MODERATE

Phloeomana speirea

Overview

Growing on saturated decaying wood in drainage.

Type
Fungus
Severity
MODERATE
Source
iNaturalist

Symptoms

Geographic Spread

Treatments

Fungicide Application

Chemical TreatmentEffectiveness: HIGH

Apply systemic or contact fungicide at the first sign of infection. Repeat applications may be needed during wet weather. Follow label rates and timing.

Sanitation and Pruning

Cultural PracticeEffectiveness: MODERATE

Remove and destroy all infected leaves, branches, and fallen debris. Improve air circulation by thinning dense canopy growth. Sterilize pruning tools.

Soil and Moisture Management

Cultural PracticeEffectiveness: MODERATE

Ensure proper drainage, avoid overwatering, and apply mulch to reduce soil splash. Many fungal pathogens thrive in persistently wet conditions.

Recommended Products & Tools

Helpful supplies for managing Bark Bonnet. Always read and follow label directions, and confirm a diagnosis before treating.

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Frequently Asked Questions

What is Bark Bonnet?

Growing on saturated decaying wood in drainage.

What are the symptoms of Bark Bonnet?

Where is Bark Bonnet currently found?

Bark Bonnet is currently active in California. It has been reported in 1 total state across the United States.

How do I treat Bark Bonnet?

Treatment options for Bark Bonnet include: Fungicide Application, Sanitation and Pruning, Soil and Moisture Management. Treatment approaches may include chemical, biological, cultural, and mechanical methods depending on the severity and context.

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