California Black Walnut (Juglans Californica) is a perennial tree in the Juglandaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 7-10. This plant is safe for cats and dogs.

Juglans californica is a large shrub or small tree endemic to California, generally found in valleys and slopes of the California Coast Ranges, Transverse Ranges, and Peninsular Ranges.

California Black Walnut

California Black Walnut

Juglans Californica

Juglans californica is a large shrub or small tree endemic to California, generally found in valleys and slopes of the California Coast Ranges, Transverse Ranges, and Peninsular Ranges.

Quick Facts

Type
tree
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
7-10

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, sandy, gravelly
Indoor:No
Outdoor:Yes
Garden Use:specimen tree, wildlife habitat, erosion control

Care Calendar

Monthly care tasks for California Black Walnut

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

California Black Walnut
California Black Walnut detail

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Taxonomy

Family:Juglandaceae
Genus:Juglans