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Willow Oak

Willow Oak Tree
The willow oak is frequently planted in public spaces in the U.S. because of its size, shade cover, hardiness, attractive appearance, and fast growth. At about 15 years of age, the willow oak begins to produce acorns, an important food tree for squirrels, birds, and other animals. Its leaves turn shades of yellow, orange, and red in the fall. Impressive willow oaks can be found in the eastern to southeastern area of the Ramble.

Common Name: Willow Oak

Scientific Name: Quercus phellos

Origin: Eastern and central United States

Family: Fagaceae

Size: 80' - 100' tall, 30' - 40' wide

Form: Oblong, oval

Culture: Hearty, but prefer low elevations


2" - 8" long, narrow, ovate, lanceolate


Inconspicuous, catkins and spikes


Tiny acorns with shallow cups


Smooth and gray, becomes darker and rougher over time