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Alnus rugosa

Speckled Alder

A fast-growing, thicket-forming plant for wetland sites. It is noted for its speckled bark, spring catkins, and long, fruiting cones composed of winged seeds. Leathery, green, wrinkled foliage has red, hairy undersides.

  • »  Pyramidal to oval growth habit
  • »  Noted for its speckled bark
  • »  Oval to rounded leaves, margins uneven and double-toothed
  • »  Male catkins are slender, scaly and suspended on long stalks
  • »  Female catkins are smaller, erect and cone-like, clustered at the branch ends
  • »  Good for wetland areas
  • »  Bloom Time: April or May

1gal
$23.25
2gal
$35.25
  • Category:Shrubs
  • Hardiness Zone:3
  • Height:13-15 m
  • Spread:8-10 m
  • Bloom Color: Green
Exposure
• Full Sun
• Partial Sun/Shade
Soil Moisture
• Wetland (Root submerged)
• Moist to Wet Soils
• Moist to Average
Growth Rate
• Fast
Attributes
• Native to Ontario
• Catkins
• Deciduous
• Low Maintenance
Flowering Time
• Spring
Habit
• Multi-stem/Clump form
• Oval
• Pyramidal
Foliage Color
• Green
Landscape uses
• Naturalizing
• Screening (privacy)
• Woodland/woods edge
Planting instructions
• Container Plants
Additional Information about Alnus rugosa

Native to Ontario

Growing & Maintenance Tips for Alnus rugosa

Best for moist areas of the landscape, such as stream banks and pond borders. Tolerates poor soil conditions.