Early Flowering Lilac

Syringa hyacinthiflora

Oleaceae · broadleaf deciduous shrub · introduced

Last updated May 11, 2026

Quick Facts

Height

12 ft

Light

Full Sun

Hardiness

Zone Zones 2a–8b

Bacterial BlightHigh

Spring Infection Period

Oystershell scaleHigh

Crawler Emergence

Powdery MildewModerate

Spring Emergence / Primary Infection

Root weevilModerate

Adult Emergence & Foliar Feeding

Diseases: Regionally Documented (7)

Multiple obligate biotrophic fungi (Erysiphales: Erysipha... Powdery Mildew Pseudomonas syringae pv. syringae Bacterial Blight Gray Mold Symptom category — not a single disease Leaf Spot Lilac ring mottle virus Lilac Ring Mottle Phytophthora Canker and Shoot Blight Symptom category — not a single disease Root Rot

Pests: Regionally Documented (4)

Lepidosaphes ulmi Oystershell scale Caloptilia syringella Lilac leafminer Podosesia syringae Lilac borer Otiorhynchus spp. Root weevil

Cultivars (2)

'Maidens Blush'

Common name: Maiden's Blush (Early Flowering) Lilac; Mature height: 6–8 ft

Hardy to USDA Zone 2

'Mount Baker'

Common name: Mount Baker Lilac; Mature height: 10–12 ft

Hardy to USDA Zone 2

Data Maturity

Structured Multiple sources. Expert review underway.