Fasciation on Smoke Tree: Causes, Control & Ornamental Uses

Fasciation on Cotinus coggygria showing flattened ribbon-like stem

Ever noticed a smoke tree with stems that look flattened or ribbon-like? That’s fasciation—a rare growth anomaly that can turn ordinary plants into quirky showpieces. Learn what causes fasciation, whether it’s harmful, how to manage it, and why some gardeners celebrate it in ornamental design.