New England Wild Flower Society

Printed at http://plantfinder.nativeplanttrust.org/index.cfm/

Alnus incana

speckled alder (Alnus incana ssp. rugosa, Alnus rugosa)

A great choice for moist to wet areas, speckled alder is a common sight by New England streams. The texture of the stems and leaves provide great visual interest throughout the season. This tree is a nitrogen fixer. The New England subspecies is Alnus incana ssp. rugosa.



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Height: 6-15 ft
Spread: 6-12 ft
Hardiness Zone: 2-7


Bloom Color: Insignificant

Characteristics & Attributes

Cultivation Status
• Species
Exposure
• Sun
• Part Shade
Soil Moisture
• Wet
• Average
Ecoregion
• (84) Atlantic Coastal Pine Barrens
• (82) Acadian Plains and Hills
• (58) Northeastern Highlands
• (83) Eastern Great Lakes Lowlands
• (59) Northeastern Coastal Zone
Attracts Wildlife
• Pollinator Powerhouse Plant
• Host Plant
Tolerance
• Deer/Rabbit Resistant
• Salt Tolerant
Landscape Use
• Naturalize
• Massing


North American Distribution


speckled alder - Alnus incana from Native Plant Trust
Photo by Dan Jaffe (c) Native Plant Trust
speckled alder - Alnus incana from Native Plant Trust
Photo by Pennie Logemann (c) Native Plant Trust
speckled alder - Alnus incana from Native Plant Trust
Photo by Frank Bramley (c) Native Plant Trust