Pin Oak
(Quercus palustris)
Date Planted: 1999
Family: Fagaceae
Hardiness: Hardy in the Gorham, ME area; Zone 4-8
Mature Dimensions: 60 to 70' tall, 25-40' wide
Habit: Strongly pyramidal, often with a center leader; upper branches upright, middle branches horizontal, low branches pendulous
Bark: Grayish brown and smooth in youth; shallowly ridged in maturity
Buds: Conical and overlapping, pointed at apex, brown, ¼ to 1/8" long
Leaves: Simple, alternate, elliptic-oblong, 5-7 sharp U-shaped lobes. Shiny dark green in summer, turning bronze-red in autumn
Flowers: Monoecious; male catkins pendulous, clustered, 3-4 inches long; female flowers solitary or in clustered spikes from the stem of the emerging leaves; appear in April-May
Fruit: Acorns borne in clusters or solitary, sessile to short stalked, ½" long, 2/3 - ¾" wide, light brown, basal ¼ covered by cup
Pests/Diseases: Galls
Reference Pages: Dirr M. 1998. Manual of Woody Landscape Plants. Stipes Publishing Co., Champaign, IL.
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