Carob St. John's Bread Locust
Ceratonia siliqua
Fabaceae · broadleaf evergreen tree · introduced
Last updated
Plant Profile
Size & Form
Height
30–40 ft
Growth Rate
Medium
Site Requirements
Light
Full Sun
Soil Drainage
Well Drained To Moist
Soil pH
adaptable (acidic to alkaline)
Water
Moderate to high
Drought Tolerance
Moderate to high
Hardiness
Zones 8b–9a
Ornamental Interest
Bloom Time
September to November
Origin
the Mediterranean region, where many cultivars have been
Watch for this season
Damping-offHigh
Seedling Emergence - Postemergence Damping-off Risk
RustHigh
Uredinial Stage (Summer)
Diseases: Regionally Documented (8)
White Mold Sclerotinia Rot Multiple genera (Melampsoridium, Thekopsora, Naohidemyces... Rust Gray Mold Fusarium spp. Fusarium Root Rot Several soilborne Damping-off Curly top (Beet curly top virus) Bean common mosaic virus and Bean yellow mosaic virus Common And Yellow Mosaics Pseudomonas syringae pv. syringae Bacterial Blight
Pests: Regionally Documented (5)
Data Maturity Structured Multiple sources. Expert review underway.