Shadblow Serviceberry (Amelanchier canadensis)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Shrub

Shadblow Serviceberry
Amelanchier canadensis

Cultivar 'Prince William' in flower
Cultivar 'Prince William' in flower
 
Features
White flowers in spring before leaves emerge; smooth gray bark; autumn color is yellow mixed with a little orange. 
 
Culture
Full sun to shade; moist, well-drained soil; prefers slightly acid soil. 
 
Cultivars
  • 'Glenform' (Rainbow Pillar®) - Columnar and compact (15 feet tall)
 
 
Mature Height
10-20 Feet
 
Size
Medium
Large
 
 
Mature Width
10-20 Feet
 
Mature Form
Multi-stemmed; suckers to form a colony; overall, has an oval to rounded shape. 
 
Native To:
United States (and Illinois) 
 
USDA Hardiness Zone
3 - 7 
 
Soil Conditions
Moist, Well-Drained
 
 
Tolerance
Alkaline Soil
Salt
Wind
 
 
Exposure/Light Requirements
Full Shade
Full Sun
Partial Sun/Shade
 
 
Uses
Massing
Naturalizing
Specimen
 
 
Foliage Color
Green
 
 
Fall Foliage Color
Orange
Yellow
 
 
Pests and Problems

Environmental Damage

Fungal Disease


Additional pests and problems that may affect this plant:

Leaf miners, pear slug sawfly, pear leaf blister mite are possible, but not common, insect problems. Rust, powdery mildew, fireblight are possible, but not common, disease problems.
 
Additional Notes
Serviceberries are often used as large shrubs, but most species can grow larger than expected and can be uses as small trees.

 

 
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