Southern California Walnut

Juglans californica S. Watson - Walnut family

Size

Mature Height: Up to around 30.0 feet

Plant Type: Tree, Shrub

Features

Flower Color: White, Green, Brown

Bloom Time: Early Spring, Mid Spring, Late Spring

Conditions

Shade Tolerance: Intermediate

Ecosystem Interactions

Pollinators: Larval Host (Moth); Wind

Larval Species depending on Southern California Walnut: Haploa lecontei, Hyphantria cunae, Orgyia vetusta, Semiothisa aspirata, Spilosoma vestalis

Native Range

  • USA:  California
Regional Native Status: L48 (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.