Syringa patula
Syringa patula
Oleaceae · broadleaf deciduous shrub · introduced
Last updated
Quick Facts
Growth Rate
Slow
Light
Full Sun
Soil
Well Drained
Water
Moderate
Watch for this season
Bacterial BlightHigh
Spring Infection Period
Oystershell scaleHigh
Crawler Emergence
Powdery MildewModerate
Spring Emergence / Primary Infection
Root weevilModerate
Adult Emergence & Foliar Feeding
Field Observations
Field Observation
Syringa pubescens subsp. patula 'Miss Kim' · Miss Kim Lilac
bud swell + new leaves
April 7, 2026 · Issaquah · 1,273 GDD₃₂ · BBCH 07/11
Phenological Calendar
| Stage | Typical Window |
|---|---|
| Bud swell and new leaves BBCH 02-11 | Early-mid April |
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)
Cultivars (1)
'Miss Kim'
Common name: Miss Kim Lilac Miss Kim Korean Lilac Miss Kim Manchurian Lilac; Mature height: 6–8 ft
Hardy to USDA Zone 4
Data Maturity Structured Multiple sources. Expert review underway.