Saucer Magnolia

Magnolia soulangiana

Magnoliaceae · broadleaf deciduous tree · introduced

Last updated March 8, 2026

Quick Facts

Height

25 ft

Light

Full Sun

Hardiness

Zone Zones 4a–8b

Bacterial BlightHigh

Spring Infection Period

Verticillium WiltHigh

Root Colonization Period

Powdery MildewModerate

Spring Emergence / Primary Infection

Diseases: Regionally Documented (5)

Pseudomonas syringae pv. syringae Bacterial Blight Symptom category — not a single disease Leaf Spot Multiple obligate biotrophic fungi (Erysiphales: Erysipha... Powdery Mildew Root and Cutting Rots Verticillium dahliae Verticillium Wilt

Data Maturity

Baseline Extension data. Expert review underway.