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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