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Japanese Alder

Alnusjaponica

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Alnus japonica by mgarr
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Family
Betulaceae (beh-tyoo-LAY-see-ee)
Info
Genus
Alnus (AL-nus)
Info
Species
japonica (juh-PON-ih-kuh)
Info
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Grown for foliage
Deciduous
Height
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
Spacing
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 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)
Danger

Unknown - Tell us

Bloom Color
Inconspicuous/none
Bloom Time
Late Winter/Early Spring
Mid Spring
N/A
Other Details
Category
Trees
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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

Regional
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