Wintergreen Barberry

Berberis julianae

Bereridaceae · broadleaf evergreen shrub · introduced

Last updated April 25, 2026

Plant Profile

Size & Form

Height

6–10 ft

Spread

4-8 ft

Growth Rate

Moderate

Size at 20 yr

7 ft

Lifespan

Moderate

Site Requirements

Light

Full Sun

Soil Drainage

Well Drained

Soil pH

5.0-7.5

Water

Moderate

Drought Tolerance

High

Hardiness

Zones 5a–8b

Ornamental Interest

Bloom Time

mid spring

Fall Color

Red

Origin

Central China julianae: Juliana, named by Camillo (Karl)

Powdery MildewHigh

Active Conidial Spread

RustHigh

Uredinial Stage (Summer)

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

Phenological Calendar

View full calendar (4 stages)

Stage	Typical Window	What to Look For
New growth flush BBCH 11	Feb 15-Mar 15	Lighter-colored new growth visible at branch tips
Bloom start BBCH 61	Apr 1-Apr 30	First open flowers visible; flowers yellow
Bloom end / petal fall BBCH 69	Apr 15-May 15	Last petals falling; flower structures fading
Fruit/seed development BBCH 71	Jun 1-Aug 31	Fruit or seed structures forming; fruit color: black

Data Maturity

Structured Multiple sources. Expert review underway.