Family: Betulaceae (beh-tyoo-LAY-see-ee) (Info)
Genus: Alnus (AL-nus) (Info)
Species: incana subsp. rugosa
Synonym:Alnus ncana var. americana
Synonym:Alnus rugosa
Synonym:Alnus rugosa var. americana
 2 vendors have this plant for sale.
Category:
Shrubs
Trees
Height:
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
Spacing:
12-15 ft. (3.6-4.7 m)
Hardiness:
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
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)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
Unknown - Tell us
Bloom Color:
Inconspicuous/none
Bloom Time:
N/A
Foliage:
Deciduous
Other details:
Requires consistently moist soil; do not let dry out between waterings
Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information:
Unknown - Tell us
Propagation Methods:
Unknown - Tell us
Seed Collecting:
Unknown - Tell us
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