Warty Barberry

Berberis verruculosa

Berberidaceae · broadleaf evergreen shrub · introduced

Last updated April 25, 2026

Quick Facts

Height

3–5 ft

Spread

3-4 ft

Growth Rate

Slow

Light

Part Shade

Soil

Well Drained

Water

Moderate

Hardiness

Zone Zones 5–6

Origin

western China

RustHigh

Aecial Stage (Alternate Host)

Powdery MildewModerate

Spring Emergence / Primary Infection

Lecanium scaleModerate

Spring Feeding & Egg Production

Diseases: Regionally Documented (3)

Symptom category — not a single disease Leaf Spot Multiple genera (Melampsoridium, Thekopsora, Naohidemyces... Rust Multiple obligate biotrophic fungi (Erysiphales: Erysipha... Powdery Mildew

Pests: Regionally Documented (1)

Parthenolecanium spp. Lecanium scale

Data Maturity

Structured Multiple sources. Expert review underway.