Red Bark

Red-Barked Sycamores at 55 MPH

Recent trips on highways along the Ohio river revealed the so-called Red Bark Phenomenon (RBP) continues on American sycamore (Platanus occidentalis). RBP appears as orangish-red to deep red staining on the bark. Vertical streaks are common making trees look like they’re oozing blood.
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Joe Boggs