Juglans californica
Common name: 
California Walnut
Southern California Walnut
Pronunciation: 
JU-glanz kal-i-FORN-i-ka
Family: 
Juglandaceae
Genus: 
Juglans
Synonyms: 
Juglans californica var. californica
Type: 
Broadleaf
Native to (or naturalized in) Oregon: 
No
  • Deciduous tree, small to medium sized tree, to 40 ft (12 m) tall, may be shrub-like when forked near base, short trunk, rounded crown.  Leaves alternate, pinnately compound, 15-23 cm long, odd number of leaflets, 11 to 15, each leaflet oblong to lanceolate, 2.5-6 cm long, margin finely serrated, apex long or short pointed, upper surface glossy green, paler below with tufts of hairs along the veins; fall color yellow or brown.  Male flowers small, each with 30-40 stamens, in catkins 5-7.5 cm long; female flowers rounded, 2-3 yellow styles about 12 mm long.  Fruit globose, 8-12 mm diameter, thin dark-colored husk.
  • Sun.  Does not require irrigation.
  • Hardy to USDA Zone 8     Native to southern California, approximately from Santa Barbara to San Diego.
  • The rarer Northern California Walnut, Junglans hindsii, and the Southern California Walnut are now usually considered varieties of the species Juglans californica, namely J. c. var. hindsii and J. c. var. californica.
Click image to enlarge
  • plant habit

    plant habit

  • leaves

    leaves

  • leaf

    leaf