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4.White Oak

Quercus alba

 

Tree Details

Hardiness zone:
3 – 9
Height:
60 – 100
Spread:
50 – 80
Habit:
Upright-rounded to broad-rounded with wide-spreading branches at maturity
Light:
Best in full sun or partial shade
Soil:
Best in deep, moist, well-drained soils, acid soil preferable
Flowers:
inconspicuous, hanging catkins
Fruit:
sacorn 3/4 to 1 inch long
Landscape use:
Majestic specimen tree, splendid for permanent planting in spacious areas; among the most handsome of oaks
History:
Native range is Maine to Florida, west to Minnesota and Texas, introduced in 1724
Pests\Problems:
Pests: none;  Problems: various types of galls; roots may crack driveway or patio surfaces if planted too close; powdery mildew; canker; anthracnose
Significant Features:
Massive spreading branches that twist with age; variable ashy gray bark often arranged in vertical blocks

 

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Arboretum Consultant

Michael A. Dirr

Dr. Michael A. Dirr is a horticulturist associated with the University of Georgia. Dr. Dirr has published over 300 scientific and popular publications and has authored seven books, including A Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture and Propagation and Uses. It has sold more than 250,000 copies.

Arboretum Consultant

Richard C. Webel

Richard C. Webel is managing director of Innocenti & Webel LLC, a renowned firm that specializes in architecture, landscape architecture and strategic planning. He collaborated on A Landscape of Continuity: The Practice of Innocenti & Webel, published by Harvard University in 1997. In addition to presenting lectures throughout the United States, he has also appeared on CNBC and CNN.