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Last Updated:
June 14, 2012
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Speckled Alder
(Alnus rugosa)
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Content
Hardiness: zones 3 through 6 Growth Rate: Fast Mature Shape: Height: 25 to 50 feet Width: 25 to 35 feet Site Requirements: Full sun to partial shade, wide range of soil Flowering Dates: March - May Seed Dispersal Dates: September - October Seed Bearing Age: 5 to 10 years Seed Bearing Frequency: Every year Seed Stratification: |