Japanese Barberry

Scientific Name: Berberis thunbergii DC.
Family: Berberidaceae

Recommended Temperature Zone:
Sunset®: 1-24,28-41
AHS: 8-3
USDA: 5-10

Frost Tolerance: Hardy to -20°F (-29°C)

Sun Exposure: Full sun to light shade

Origin: Japan

Growth Habits: Deciduous shrub, up to 6 feet tall (1.8 m), 6 feet spread (1.8 m)

Flowers: Yellow flowers

Watering Needs: Regular to moderate water

Propagation: Seeds or cuttings

Propagation: Seed or occasionally cutting

• by semi-hardwood stem tip, secondary cuttings, in late spring. Apply IBA TALC 8000 PPM. Use intermittent mist. Root in 6-8 weeks.
• by seeds, in spring. The seeds can be harvested in late summer. The seeds need cold-warm-cold stratification.

Berberis thunbergii 'Atropurpurea' at the Chicago Botanical Garden

The variety 'Atropurpurea' needs full sun to becore dark red.

Blooming Habits:
The small, bell shaped, striped greenish yellow flowers appear in mid spring.