Quercus lobata

Quercus lobata

valley oak



  • Largest of all oaks in North America (100 feet tall with trunks 6 to 7 feet in diameter)
  • Roots go very deep to reach water so they can survive the hot summers in the Central Valley
  • Deciduous
  • May develop powdery mildew in summer fog better on the east side of the Bay hills.
  • Found in Bay Hills, Diablo, Hamilton, Altamont, Livermore and Byron Hot Springs sections

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