Syringa patula
Syringa patula
Oleaceae · broadleaf deciduous shrub · introduced
Last updated
Data Maturity Structured Multiple sources. Expert review underway.
Watch for this season
Bacterial BlightHigh
Spring Infection Period
Oystershell scaleHigh
Crawler Emergence
Powdery MildewModerate
Spring Emergence / Primary Infection
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
Quick Facts
Growth Rate
Slow
Light
Full Sun
Soil
Well Drained
Water
Moderate
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