SelecTree: Tree Detail
Magnolia × thompsoniana
Utility friendly tree.
Blooms at a young age.
Has fragrant Flower.
Native to London.
Oval or Rounded Shape.
Has Deciduous foliage.
Height: 10 - 15 feet.
Width: 15 feet.
Growth Rate: 12 Inches per Year.
Longevity 50 to 150 years.
Leaves Elliptic to Oblong, Medium Green, Bronze or Gold, Deciduous.
Flowers Showy. Fragrant White. Flowers in Spring. Has perfect flowers (male and female parts in each flower).
Rose Follicle, Very Large (Over 3.00 inches), fruiting in Summer or Fall.
Shading Capacity Rated as Moderate in Leaf.
Shading Capacity Rated as Moderate out of Leaf.
Tree Site Conditions & Constraints
Sunset Zones 4 - 9 and 14 - 24.
USDA Hardiness Zones 5 - 6.
Exposure Partial Shade.
Clay, Loam or Sand Texture.
Highly Acidic to Slightly Alkaline Soil pH.
Seaside Tolerance is Good to Medium in Mild Zone.
Pests & Disease Information
Susceptible to Armillaria.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Low.
None Known Health Hazard.
Special Uses & Values
Cite this tree:
SelecTree. "Magnolia × thompsoniana Tree Record." 1995-2018. Dec 18, 2018.
< https://selectree.calpoly.edu/tree-detail/magnolia-×-thompsoniana >