A Quercus lobata in South of Covelo is registered as a California Big Tree. It measures 153 feet high, with a trunk circumference of 339 inches and a crown spread of 99 feet.
- Shape: Oval, Rounded or Umbrella
- Foliage: Deciduous, Obovate and Lobed, Medium to Dark Green, Bronze or Gold
- Height: 50 - 70 feet.
- Width: 50 feet.
- Flowers: Inconspicuous. Flowers in Spring.
- Fruit: Prolific, Brown Acorn, Medium (0.50 - 1.50 inches), fruiting in Fall or Winter.
- Bark: Dark Brown, Light Gray or Light Green, Blocky or Furrowed.
- Shading Capacity: Moderate in Leaf, Moderate out of Leaf.
- Litter Issue: Dry Fruit.
Tree Site Conditions & Constraints
- Zones: Sunset 3 - 9 and 12 – 24, USDA Hardiness 7 - 9.
- Exposure: Full Sun to Partial Shade.
Pests & Disease Information
- Resistant: Oak Root Fungus and Verticillium.
- Susceptible: Beetle Borers, Caterpillars, Insect Galls and Scales, Crown Rot, Mistletoe and Root Rot.
Health, Safety & Environmental Concerns
- Branch Strength: Medium to Medium Strong.
- Root Damage Potential: Moderate.
- Health Hazard: Allergy and Poisonous
- Biogenic Emissions: Moderate.
- Attracts: Birds and Squirrels.
SelecTree. "Quercus lobata Tree Record." 1995-2018. Mar 20, 2018.
< https://selectree.calpoly.edu/tree-detail/quercus-lobata >