Quercus agrifolia
Common name: 
Coast Live Oak
KWER-kus ag-ri-FOL-ia
Native to (or naturalized in) Oregon: 
  • Evergreen tree, to 30-80 ft (9-24 m) tall, often with a greater spread, broadly rounded form, dense foliage, short trunk, may have a shruby form in chaparral habitat.  Bark dark gray or brown, smooth at first, finally thick, deeply furrowed.  Leaves simple, alternate, oblong to oval, 2-6 cm long and 1.2-4 cm wide, thick, leathery, rounded or heart-shaped at base, tip rounded, margins turned under and bearing spiny teeth (holly-like), glossy green above, below pale green, and with tufts of hair in the axils close to the petiole.  Fruit (acorn), nut is brown, narrowly egg-shaped, 2.5-4 cm long, about a fourth enclosed by a thin cup.
  • Sun or shade.  Drops most of its old leaves in spring.  Sometimes sheared to form a 10 ft hedge.
  • Hardy to USDA Zone 8      Native mostly to the coast side of California's Coast Range, and along streams draining into the Central Valley, ranges from the Mendocino County in the north to Mexico's Baja California.
Click image to enlarge
  • plant habit

    plant habit

  • plant habit

    plant habit

  • foliage


  • leaves


  • leaf


  • leaf, shade

    leaf, shade

  • developing fruit (acorns)

    developing fruit (acorns)

  • trunks, bark

    trunks, bark