SelecTree - Tree Detail Record

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Photo Credits:
W. Mark and J. Reimer

Photo Locations:
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

BIGLEAF MAPLE
Acer macrophyllum

General Notes

     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.
  List all Sapindaceae | Acer

• Acer macrophyllum - Sapindaceae
• Additional Names:
  Previously listed in the Aceraceae family.
  Common Names: Bigleaf Maple, Oregon Maple
• Native To: Western Coast United States
• Habit: Erect or Spreading and covers an Extensive Area.
  Has Deciduous foliage.
• Shape: Oval or Rounded
• Sunset Zones: 2 - 9 and 14 - 24
• USDA Hardiness Zones: 5 - 9
• Exposure: Full Sun to Full Shade
• Water Needs: Moist Soil. Drought tolerant.
• Soil Type: Loam or Sand
• Soil pH: Highly Acidic to Slightly Alkaline
• Seaside Tolerance: Good in Mild Zone
• Height: 30 - 75 feet
• Canopy Width: 30 - 50 feet
• Growth Rate: 36 Inches per Season
• Landscape Use: Riparian
• Longevity: Greater than 150 years
• Leaves: Palmate Medium Green. Gold in Fall. Deciduous.
• Flowers: Inconspicuous, Fragrant, Yellow. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).
• Fruit: Brown or Mostly Green Winged Seed, Large (1.50 - 3.00 inches), fruiting in Winter or Summer.
• Bark: Red Brown, Furrowed
• Pest & Disease: Resistant to Oak Root Fungus. Susceptible to Beetle Borers, California Flathead Borer and Caterpillars, Sudden Oak Death, Root Rot, Oak Root Rot, Annosus Root Disease, White Mottled Rot, Leaf Spot and Verticillium More information …
• Shading Capacity: Rated as Dense in Leaf and Moderate out of Leaf.
• Branch Strength: Rated as Medium
• Litter Issue: Dry Fruit
• Root Damage Potential: Rated as High
• Health Hazard: Allergy
• Biogenic Emissions: Moderate
• Fire Resistance: Favorable

Cite This Page:
SelecTree. "Acer macrophyllum Tree Record." 1995-2012. May 20, 2013.
< http://selectree.calpoly.edu/treedetail.lasso?rid=58 >