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Why Painting Tree Trunks Is Harmful and Should Be Avoided

Paint Seals in Problems

Applying latex paint to living bark traps moisture, pathogens, and gases against the trunk. Bark is living tissue that needs to breathe; paint disrupts gas exchange and can lead to decay, cankers, and insect infestations.

No Protective Benefit

Contrary to some beliefs, paint does not deter pests or diseases. It may actually create a favorable environment for fungi and borers underneath the coating.

Proper Wound Care

If a branch is damaged, make a clean cut just outside the branch collar and leave the wound exposed. The tree will naturally compartmentalize the injury. Do not apply wound dressings, paints, or sealants.

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