• slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide

Common Alder

Botanical Name
Alnus glutinosa
Hardiness
Zones 4 to 7
Height
40 to 60 feet
Width
20 to 40 feet
Flowers
Male catkins, female purplish egg shaped strobile
Fruit
Winged nutlet borne on egg-shaped woody strobile, persistent
Light
Full sun to part shade
Soil
Moist to wet
Planting & Care
  • Transplants easily in spring
  • Good tree for reclamation sites
  • Fixes own nitrogen
Problems
Wooly alder aphid, tent caterpillar, can become invasive
Varieties
  • Laciniata - dissected leaves
  • Pyramidalis - upright, narrow spread, good disease resistance

Upcoming Appearances
 

The Chicago Flower & Garden Show 
CANCELLED due to COVID-19


Realtors Home & Garden Show 
CANCELLED due to COVID-19


Linn County Master Gardeners'
Creative Gardening Series

CANCELLED due to COVID-19
 

May 2 - August 6, 2020
Ebert's Greenhouse Village
Ixonia, WI

Learn More

Book an Appearance

Learn More

Win a pair of Foxgloves!

ENTER NOW