Canada Hemlock (Tsuga canadensis)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Tree

Canada Hemlock
Tsuga canadensis

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Canada Hemlock form
Canada Hemlock form
 
Features
Small, evergreen needles. 
 
Culture
Full sun to shade; best in moist, well drained soils; prefers slightly acid soil. 
 
Cultivars
Many exist, but most are dwarf forms, more like shrubs than trees. 
 
Mature Height
40-60 Feet
 
Size
Medium
Large
 
 
Mature Form
Pyramidal with a slightly pendulous look 
 
Native To:
United States 
 
USDA Hardiness Zone
3 - 7 
 
Soil Conditions
Moist, Well-Drained
 
 
Tolerance
 
 
Exposure/Light Requirements
Full Shade
Full Sun
Partial Sun/Shade
 
 
Uses
Massing
Screen
Specimen
 
 
Foliage Color
Green
 
 
Fall Foliage Color
Green
 
 
Pests and Problems

Environmental Damage

Fungal Disease

Insect Damage


Additional pests and problems that may affect this plant:

Wooly adelgid can be very serious.  Other common, but less serious insects include scale, mites, leaf miners and gypsy moth.   Diseases include cankers and needle rust.
 
Additional Notes
When grown in full sun, this tree requires a consistent supply of moisture as well as good drainage; intolerant of winds and drought.

 

 
Related Resources
Home, Yard & Garden Pest Guide
Illinois Commercial Landscape and Turfgrass Pest Management Handbook
U of IL - Distance Diagnosis through Digital Imaging
U of IL - Plant Clinic
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