SelecTree: Tree Detail
Leaves are densely tomentose on the bottom, providing remarkable filtration of particulate pollution. Excellent evergreen screen species. Enormous geographical range of adaptation.
Native to Mexico to Guatemala.
Has Evergreen foliage.
Height: 50 - 80 feet.
Growth Rate: Over 36 Inches per Year.
Longevity 50 to 150 years or more.
Leaves Elliptic, Green, No Change, Evergreen.
Flowers in Spring.
Brown Acorn, fruiting in Fall.
Bark Gray to Brown, Rough or Scaly.
Shading Capacity Rated as Moderate in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 7 - 9 and 14 - 24.
USDA Hardiness Zones 8 - 10.
Exposure Full Sun to Partial Shade.
Moist to Dry Soil.
Clay, Loam or Sand Texture.
Neutral to Slightly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Resistant to Aphids, Mistletoe and Powdery Mildew, Sooty Mold, Sudden Oak Death, Verticillium. Susceptible to Scales and Spider Mites, Spittlebugs, Root Rot.
Health, Safety & Environmental Concerns
Branch Strength Rated as Strong.
Root Damage Potential Rated as Moderate.
Allergy and Poisonous Health Hazard.
Fire Resistance is Favorable.
Desirable Wildlife Plant.
Attracts Birds and Squirrels.
Special Uses & Values
Cite this tree:
SelecTree. "Quercus rugosa Tree Record." 1995-2020. Aug 14, 2020.
< https://selectree.calpoly.edu/tree-detail/quercus-rugosa >