SelecTree: Tree Detail
SPECTRUM HYBRID MAGNOLIA
Magnolia × 'Spectrum'
Photo Locations: Los Angeles County Arboretum - Arcadia, CA and The National Arboretum - Washington, DC
Blooms at a young age.
Has fragrant Flower.
Erect with a Low Canopy.
Oval, Rounded or Vase Shape.
Has Deciduous foliage.
Height: 20 - 30 feet.
Width: 15 - 30 feet.
Growth Rate: 24 Inches per Year.
Longevity 50 to 150 years.
Leaves Oblong to Ovate, Medium Green, Bronze or Gold, Deciduous.
Fragrant Flowers in Spring or Summer. Has perfect flowers (male and female parts in each flower).
Shading Capacity Rated as Dense in Leaf.
Shading Capacity Rated as Moderate out of Leaf.
Tree Site Conditions & Constraints
Sunset Zones 1 - 9 and 14 - 24.
USDA Hardiness Zones 4 - 9.
Exposure Full Sun to 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 Aphids, Scales and Spider Mites, 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 × 'Spectrum' Tree Record." 1995-2020. Jan 27, 2020.
< https://selectree.calpoly.edu/tree-detail/magnolia-×-spectrum >