Korean Spirea

Spiraea fritschiana

Rosaceae · broadleaf deciduous shrub · introduced

Last updated April 25, 2026

Quick Facts

Height

2–3 ft

Growth Rate

Fast

Light

Full Sun to Shade

Soil

Well Drained

Water

Moderate

Hardiness

Zone Zones 3–4

Bloom Time

May to June

Fall Color

Yellow

Origin

from central China to Korea

Powdery MildewModerate

Spring Emergence / Primary Infection

AphidModerate

Spring Colonization

Diseases: Regionally Documented (2)

Symptom category — not a single disease Leaf Spot Multiple obligate biotrophic fungi (Erysiphales: Erysipha... Powdery Mildew

Pests: Regionally Documented (3)

Aphidoidea Aphid Stenoptilodes antirrhina Snapdragon plume moth Tetranychidae Spider mite

Data Maturity

Structured Multiple sources. Expert review underway.