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8.‘Armstrong’ Red Maple

Acer rubrum x A. saccharinum ‘Armstrong’


Tree Details

Hardiness zone:
Best in zone 8
50 – 70
Distinctly upright with tree gradually spreading out in old age
Best in sun or partial shade<
Very tolerant of soils; acidic and moist conditions preferable
often reddish, maturing to brown winged fruit
Landscape use:
Excellent specimen tree for lawn, park or street; plant in groups for best effect; may be used in confined spaces or as avenue trees
‘Armstrong’ is a cross between Acer rubrum and Acer saccharum
Pests: leaf hoppers and borers can cause considerable damage
Significant Features:
Beautiful silver-grey bark; rapid growth; extremely long petioles


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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.