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61.Canandian Hemlock

Tsuga canadensis

 

Tree Details

Hardiness zone:
3 – 8, but has difficulties in 7 – 8
Height:
40 – 70 with a maximum of 100
Spread:
25 – 35
Habit:
In youth: pyramidal; At maturity: pendulously pyramidal
Light:
Best in shade or partial shade
Soil:
Moist, well-drained, acidic soil preferable; Cones: male nearly spherical, in short stocks in axils of last year’s leaves
Flowers:

Male nearly spherical, in short stocks in axils of last year's leaves


Fruit:
slender cones, 1 1/2 – 1” long by 1/2” wide; brown at maturity
Landscape use:
Graceful as evergreen hedge; excellent for screening, groupings, and foundation plantings, great for natural plantings
History:
Native range is Nova Scotia to Minnesota, south along the mountains to Alabama and Georgia; introduced around 1736
Pests\Problems:

Hemlock borer, hemlock scale, spider mites, hemlock rust caused by a mite, bagworm, gypsy moth


Significant Features:
Ornamental cones and graceful habit

 

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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.