Seattle Sentinel (Columnar) Bigleaf Maple
Form and Growth Characteristics: Plant Type - TreeGrowth Rate - Slow to medium growth rate; Unusually upright, columnar habitMature Height - Up to 50' tallMature Width - 20' wideLongevity -
Ornamental Characteristics: Flower - Yellow, fragrant, produced in 4-8” long nodding racemes appearing with the leaves in April-May; each flower is approximately 0.33” across.Fruit - Samara, approximately 1.5” long, nutlet covered with brown pubescence, wings nearly glabrous, forming a 60degree angle from wing to wing.Leaf - Young emerging leaves are often reddish bronze, maturing to glossy dark green, pale beneath; Opposite, simple, often smaller than the species.Fall Color - This cultivar does not usually change color in the fall.Bark - Gray to reddish brown, furrowed with small flattened platelets.Other Features - Possible Use - Recommended for planting natural areasSeason Of Interest -
Culture and Care: Care Requirements - Prefers cool moist environment; zones 5-7(9)Native Habitat - Species native from Alaska to southern California. Cultivar a 1992 introduction from the Center for Urban Horticulture, Washington Park Arboretum, discovered in 1951Diseases and Insects - Strength - Fairly drought tolerantWeakness - Seems to pop up in fence rows and waste areas, invasive root system that can break walks and drives;Plants of this taxon:
Find Related Plants:- Other plants with the common name Maple.- Other plants of the family Aceraceae.- Other plants of the genus Acer.- Other plants of the species Acer macrophyllum.