Alnus glutinosa

BLACK ALDER

• Pyramidal to oval growth habit
• Oval to rounded leaves, uneven double-toothed margins
• Drooping male catkins form in the fall and overwinter on the tree

HEIGHT: 16-18 m  ·  SPREAD: 10-12 m

Alnus rugosa

SPECKLED ALDER

• Pyramidal to oval growth habit
• Noted for its speckled bark
• Oval to rounded leaves, margins uneven and double-toothed

HEIGHT: 13-15 m  ·  SPREAD: 8-10 m