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Alnus incana tenuifolia

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  • Photo by Ben Legler
  • Photo by Ben Legler
  • Photo by Ben Legler

Alnus incana tenuifolia

Mt. Alder, Thinleaf Alder

Community: Mountain

Brief Description

Mountain tree standby descends to grace lowland plantings.

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  • Graceful Tree
  • Textural Green Cones
  • Low-Maintenance
  • Good "Filler" Tree

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Availability: Temporarily sold out. New inventory is made available in the spring and fall of each year.

Price From: $0.00

Plant Description and Details

Strength in simplicity, that's what Mt. Alder brings to a landscape. In the mountain ranges, it grows many basal limbs, reaching out to form a large shrub. In lower locales, a slim tree emerges, taller, and with fewer basal trunks. Restful to the eyes, its dark green, double-toothed leaves and smooth grey bark blend with its surroundings. Light green cones, summer pendants, brown up and release their seeds the following spring, looking like miniature pinecones. Native peoples used the bark medicinally.

Common Names Mt. Alder, Thinleaf Alder
Community Mountain
Annual Water Needs 15-20 inches
Drought Tolerant No
Native Range Moister, exposed and forested areas in the mountains, throughout the western states.
Native States CA, CO, ID, MT, NV, OR, UT, WA, WY
Hardiness Down to Zone 5
Exposure Sun - Part Shade
Soil Preference Well Drained
Placement Moderately moist area, shrub thicket, along ponds or creeks.
Mature Height 20+ ft.
Mature Width 100 in.
Group Spacing 6-8 ft.
Establishment Tips Water at planting and 3-4 times deeply the first summer.
Maintenance Tips Easy care. Prune if desired.
Plants Symbol ALINT
Family Name Betulaceae
Lewis & Clark No

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