Fall Sale!

30% off the following:
  • Ornamental Maple Trees
  • Deciduous Shrubs
  • Grasses
  • B&B Trees
  • Boxwood, Emerald Green Arbs, Himalayan Cedar
50% off the following:
  • Container Evergreens (Excluding Boxwoods, Emerald Green Arbs, Himalayan Cedar)
  • Perennials
  • Weigela
  • Fruit Trees
60% off the following:
  • Overstory Maples
No Warranty. All sales final. No returns.
Please note: Our Plant Encyclopedia is for reference only and does not reflect current inventory or availability.

Black Alder

Alnus glutinosa

Picture of Black Alder

A tough adoptable plant; few pest problems; tolerates short term flooding; flower and fruiting best in full sun; easy to transplant

Light Requirement: Full Sun
Cold Hardiness: Zone 4
Height: 40 to 60
Spread: 20 to 40
Flower: Not significant.
Foliage: Glossy green.
Form: Rounded, narrow.