Saucer Magnolia (Magnolia x soulangiana)-Hort Answers - University of Illinois Extension
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University of Illinois Extension

Hort Answers

Tree

Saucer Magnolia
Magnolia x soulangiana

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Saucer Magnolia in flower
Saucer Magnolia in flower
 
Features
White, pink to purple, cup-shaped flowers in spring; silvery gray bark adds winter interest. 
 
Culture
Full sun to partial shade; moist, well drained soils; slightly acid soil. 
 
Cultivars

Many, including

  • 'Alexandrina'- flowers are white inside, purplish outside, early flowering.
  • 'Brozzonii'-large white flowers, late flowering, 25-30 feet.
  • 'Lennei'-flowers white inside, purple-magenta outside, late flowering, 15-20 feet.
  • Verbanica'-flowers rose pink on outside, late flowering, 20-25 feet.
 
 
Mature Height
20-30 Feet
 
Size
Small
Medium
 
 
Mature Form
Pyramidal to rounded; often multi-stemmed 
 
Native To:
Hybrid origin 
 
USDA Hardiness Zone
5 - 8 
 
Soil Conditions
Moist, Well-Drained
 
 
Tolerance
 
 
Exposure/Light Requirements
Full Sun
 
 
Uses
Massing
Patio
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:

Magnolia scaleand leaf spots.
 
Additional Notes
Can be difficult to transplant due to fleshy root system; flowers at a young age; flowers often bloom early enough to be damaged by frost.

 

 
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