SelecTree: Tree Detail
Photo Locations: Washington Park Arboretum - Seattle, WA, Stanford, CA, Rancho Santa Ana Botanic Garden - Claremont, CA and Regional Parks Botanic Garden, Tilden Regional Park - Berkeley, CA and UC Santa Cruz Arboretum - Santa Cruz, CA
Resistant to oak root fungus. Susceptible to powdery mildew. Some forms are quite drought tolerant. Sudden Oak Death manifested as leaf spot.
Has fragrant Flower.
Native to Western Coast United States.
An Acer macrophyllum in Los Altos Hills is registered as a California Big Tree. It measures 61 feet high, with a trunk circumference of 174 inches and a crown spread of 76 feet.
Previously listed in the Aceraceae family.
Additional Common Names
BIGLEAF MAPLE, OREGON MAPLE
Erect or Spreading and requires ample growing space.
Oval or Rounded Shape.
Has Deciduous foliage.
Height: 30 - 75 feet.
Width: 30 - 50 feet.
Growth Rate: 36 Inches per Year.
Longevity Greater than 150 years.
Leaves Palmate, Medium Green, Gold, Deciduous.
Flowers Inconspicuous. Fragrant Yellow. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).
Brown or Mostly Green Winged Seed, Large (1.50 - 3.00 inches), fruiting in Winter or Summer.
Bark Red Brown, Fissured.
Shading Capacity Rated as Dense in Leaf.
Shading Capacity Rated as Moderate out of Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 2 - 9 and 14 - 24.
USDA Hardiness Zones 5 - 9.
Exposure Full Sun to Full Shade.
Loam or Sand Texture.
Highly Acidic to Slightly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Invasive Shot Hole Borer, Beetle Borers, California Flathead Borer and Caterpillars, Sudden Oak Death, Root Rot, Armillaria, Annosus Root Disease, White Mottled Rot, Leaf Spot and Verticillium.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as High.
Allergy Health Hazard.
Biogenic Emissions considered Moderate.
Fire Resistance is Favorable.
Special Uses & Values
Cite this tree:
SelecTree. "Acer macrophyllum Tree Record." 1995-2018. Aug 15, 2018.
< https://selectree.calpoly.edu/tree-detail/acer-macrophyllum >
SelecTree Nursery Connection Map
Cal Poly / ESRI