Juglans californica
California black walnut · also California walnut, Southern California black walnut, Northern California black walnut
Report an issue with this species
Juglans californica, also known as California black walnut, is a deciduous shrub or small tree native to California's Central Valley and Coast Range valleys. It features bright green, pinnately divided leaves and a low-branching, dark gray trunk. The tree produces smaller, edible walnuts and attracts wildlife such as birds and squirrels.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 1,6710.36%35 yr7.5 in
- 10.00%—4.0 in
Traits
- Form
- Broadleaf
- Foliage
- Deciduous
- Mature height
- 15–49 ft
- Canopy spread
- 15–30 ft
- Water needs
- Moderate
- Wildlife value
- Moderate
- Blooms
- Mar, Apr, May
Trunk diameters across every city: median 7.5 in, mean 7.9 in, 90th percentile 18 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Mediterranean Forests, Woodlands & Scrub
- California coastal sage and chaparral
- California interior chaparral and woodlands
- California montane chaparral and woodlands
Temperate Grasslands, Savannas & Shrublands
- California Central Valley grasslands
Other Juglans in the catalogue
12 of the top 2,000 species are in this genus.
