Santa Barbara Ceanothus

Ceanothus impressus

Rhamnaceae · broadleaf evergreen shrub · introduced

Last updated March 8, 2026

Plant Profile

Size & Form

Height

4–6 ft

Site Requirements

Light

Full Sun

Hardiness

Zones 7–8

Ornamental Interest

Origin

Santa Barbara and San Luis Obispo counties in California

Root weevilModerate

Adult Emergence & Foliar Feeding

Diseases: Regionally Documented (2)

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

Pests: Regionally Documented (3)

Tischeria immaculata Ceanothus leafminer Otiorhynchus spp. Root weevil Aleyrodidae Whitefly

Data Maturity

Structured Multiple sources. Expert review underway.