Daphne

Spiraea japonica var. alpina

Rosaceae · broadleaf deciduous shrub · introduced

Last updated March 8, 2026

Quick Facts

Height

5 ft

Light

Full Sun

Hardiness

Zone Zones 4a–8b

Bloom Time

June to July

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.