Native: Western Mediterranean Region
General Notes:
A Quercus ilex in Sacramento Capital Park # 23 is registered as a California Big Tree. It measures 70 feet high, with a trunk circumference of 132 inches and a crown spread of 92 feet.
Tree Characteristics
- Shape: Rounded or Umbrella
- Foliage: Evergreen Leaves Lanceolate to Ovate, Glossy Dark Green, No Change
- Height: 30 - 60 feet.
- Width: 30 - 60 feet.
- Flowers: Inconspicuous. Flowers in Spring or Winter.
- Fruit: Brown Acorn, Medium (0.50 - 1.50 inches), fruiting in Winter or Summer.
- Bark: Light Green or Light Gray, Furrowed or Smooth.
- Shading Capacity: Dense in Leaf.
- Litter Issue: Dry Fruit.
Tree Site Conditions & Constraints
- Zones: Sunset 4 – 24, USDA Hardiness 7 - 9.
- Exposure: Full Sun to Partial Shade.
Pests & Disease Information
- Resistant: Oak Root Fungus and Verticillium
- Susceptible: Scales and Spider Mites, Anthracnose and Root Rot.
Health, Safety & Environmental Concerns
- Branch Strength: Strong.
- Root Damage Potential: Low.
- Health Hazard: Allergy and Poisonous
- Biogenic Emissions: High
- Attracts: Birds and Squirrels.
Source:
SelecTree. "Quercus ilex Tree Record." 1995-2018. Mar 1, 2018. < https://selectree.calpoly.edu/tree-detail/quercus-ilex >
Updated: June 20, 2023