SelecTree: Tree Detail
Photo Locations: LSU Hilltop Arboretum - Baton Rouge, LA, Hoyt Arboretum - Portland, OR and W. Gordon Belser Arboretum - Columbia, SC
Blooms at approximately 12-15 years of age. Large leaves to 30 inches. Flowers to 12 inches in diameter.
Has fragrant Flower.
Native to Southeastern United States and Eastern Mexico.
Erect or Spreading with a High Canopy.
Has Deciduous foliage.
Height: 30 - 40 feet.
Width: 20 - 30 feet.
Growth Rate: 12 Inches per Year.
Longevity 50 to 150 years.
Leaves Obovate, Medium to Dark Green, Bronze or Gold, Deciduous.
Flowers Showy. Fragrant White. Flowers in Spring or Summer. Has perfect flowers (male and female parts in each flower).
Black or Purple Follicle, Very Large (Over 3.00 inches), fruiting in Fall.
Bark Dark Gray or Light Gray, Smooth.
Shading Capacity Rated as Moderately Dense in Leaf.
Shading Capacity Rated as Moderate out of Leaf.
Litter Issue is Flowers.
Tree Site Conditions & Constraints
Sunset Zones 4 - 9 and 14 - 21.
USDA Hardiness Zones 6 - 9.
Exposure Full Sun to Partial Shade.
Clay, Loam or Sand Texture.
Highly Acidic to Neutral 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 Moderate.
Allergy Health Hazard.
Cite this tree:
SelecTree. "Magnolia macrophylla Tree Record." 1995-2018. Aug 19, 2018.
< https://selectree.calpoly.edu/tree-detail/magnolia-macrophylla >