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63.Sourwood

Oxydendrum arboreum

 

Tree Details

Hardiness zone:
4 – 9
Height:
25 – 30
Spread:
20
Habit:
Pyramidal tree, with rounded top and drooping branches; very lovely outline
Light:
Best in sun or partial shade
Soil:
Acidic, peaty, moist, well-drained soil preferable
Flowers:
1/4 long, fragrant, white, urn-shaped flowers in 4 – 10 long and wide, drooping panicles; flowers June to early July
Fruit:
5-valved, 1/3 long, capsule, brown at maturity
Landscape use:
An all-season ornamental; excellent specimen plant
History:
Native range is southwestern Pennsylvania, southern Ohio, and Indiana; south to western Florida and the coasts of Mississippi and Louisiana; introduced in 1747
Pests\Problems:
None; Problems: leaf spot, twig blight
Significant Features:
Beautiful, drooping flowers; gorgeous, brilliant red fall color

 

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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.