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Alnus rhombifolia - White Alder (Seed)

Alnus rhombifolia - White Alder (Seed)

$7.00

  • Alnus rhombifolia - White Alder (Seed)
    • Alnus rhombifolia - White Alder (Seed)
    • Alnus rhombifolia - White Alder (Seed)

    Alnus rhombifolia - White Alder (Seed)

    A summer shade tree that is both heat and wind tolerant. Needs regular deep watering. It's a larval food plant for the western tiger swallowtail butterfly. It's roots are nitrogen-fixing but can be invasive--plant away from foundations and water lines.

    Details

    Plant Characteristics
    Species NameAlnus rhombifolia
    Common NameWhite Alder
    Plant TypeTrees
    Height by Width75ft. x 40ft.
    Flower ColorGreen
    Flowering MonthsJanuary, March, April, February
    Sun ExposureInland-Sun
    Water RequirementModerate
    Soil TypeAny
    Sowing SeasonFall/Winter
    Sowing Difficulty Level*Moderate
    Sowing PretreatmentCold stratification may improve germination.

    * Sowing difficulty levels:
    • Easy: Sow in-ground or in pots with simple or no pretreatment
    • Moderate: Sow in-ground or in pots with pretreatment; may produce staggered germination
    • Difficult: Sow in pots with pretreatment and stratification; may produce staggered germination
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