Skip to Left navigation Skip to Main content Skip to Footer

University of Minnesota Extension

Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Butternut > Unusual growths on petioles

Print Icon Email Icon Share Icon

Butternut > Leaves > Unusual growths on petioles

1 of 1
  • Image: Leaf petiole gall 1

Leaf petiole gall
Aceria caulis

  • Brightly colored galls of differing shapes form on shoots and leaf petioles
  • Galls change color as season progresses. First green, then pink to crimson and finally a reddish-brown
  • More information on Leaf petiole gall

Don't see what you're looking for?