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Grey Alder, Mountain Alder, River Alder, Thinleaf Alder

Alnusincana subsp. tenuifolia

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Family

Betulaceae (beh-tyoo-LAY-see-ee)

Info

Genus

Alnus (AL-nus)

Info

Synonym

Alnus incana var. occidentalis

Alnus incana var. virescens

Alnus x purpusii

Alnus tenuifolia

Sun Exposure

Full Sun

Sun to Partial Shade

Foliage

Deciduous

Height

20-30 ft. (6-9 m)

Spacing

20-30 ft. (6-9 m)

Hardiness

USDA Zone 5a: to -28.8 °C (-20 °F)

USDA Zone 5b: to -26.1 °C (-15 °F)

USDA Zone 6a: to -23.3 °C (-10 °F)

USDA Zone 6b: to -20.5 °C (-5 °F)

USDA Zone 7a: to -17.7 °C (0 °F)

USDA Zone 7b: to -14.9 °C (5 °F)

Danger

Unknown - Tell us

Bloom Color

Inconspicuous/none

Bloom Time

N/A

Other Details

Gardener's Notes:

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positive

neutral

negative

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berrygirl

Lakemont, GA (Zone 8a) | March 2007 | neutral

Alnus incana (tenuifolia) MOUNTAIN ALDER Dec (z5) (WNa,Cut)
Explorer's friend,this lg,nitrogen-fix.shrub always indicates water;it...Read More

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