Syringa patula

Syringa patula

Oleaceae · broadleaf deciduous shrub · introduced

Last updated March 8, 2026

Data Coverage 3 of 6 dimensions

Site Data

Threats

Cultivars

Phenology

GDD Thresholds

Puget Sound

Phenological Calendar

Stage	Typical Window	What to Look For
Bud swell and new leaves BBCH 02-11	Early-mid April	Buds swelling; first leaves just emerging from buds

Diseases (8)

Podosphaera aphanis var. aphanis Powdery Mildew Pseudomonas syringae pv. syringae Bacterial Blight Botrytis cinerea Gray Mold abiotic (drought, heat stress) or bacterial (Xylella fast... Leaf Scorch Symptom category — not a single disease Leaf Spot Lilac ring Lilac Ring Mottle Phytophthora spp. (P Phytophthora Canker and Shoot Blight Symptom category — not a single disease Root Rot

Pests (5)

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

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