Description
Acer macrophyllum
Common name: Oregon Maple
Native: Western North America, S. Alaska to California
Provenance: USA, Washington State
Size and Spread(10 yrs):7-10m x 6m fast growing when young
Treatment required: 60-90 days stratification in moist medium
Seeds/kg: c.5900 ; 81% viable
Ideal sowing period: Autumn, but any time if given prechill of 5 to 10 weeks in damp sand at 1-3 degC.
Soil Conditions: moist loam preferred for maximum growth
Planting instructions: cool and moist, though tolerant of most situations
Mature height: 15-20m
2nd pic courtesy of P Stevens CC by 2.0
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