Santa Barbara Ceanothus

Ceanothus impressus

Rhamnaceae · broadleaf evergreen shrub · native

Last updated March 8, 2026

Data Coverage 2 of 6 dimensions

Site Data

Threats

Cultivars

Phenology

GDD Thresholds

Puget Sound

Quick Facts

Height

4–6 ft

Light

Full Sun

Hardiness

Zone Zones 7–8

Origin

Santa Barbara and San Luis Obispo counties in California

Diseases (2)

Symptom category — not a single disease Leaf Spot Symptom category — not a single disease Root Rot

Pests (3)

Tischeria immaculata Ceanothus leafminer Otiorhynchus spp. Root weevil Aleyrodidae Whitefly