Magnolia wilsonii A small deciduous tree or large spreading multi-stemmed shrub. Very fragrant, pendant cup-shaped white flowers with conspicuous crimson-red stamens are sparingly produced at the ends of silken, leafy branches in late Spring and early Summer. Each fragrant flower is composed of nine pure white petals, named after the famous plant explorer Ernest Wilson, who discovered it in western China in 1904. Magnolia wilsonii will thrive in heavy clay, tolerate alkaline soils and is tolerant of atmospheric pollution. If required, prune unwanted or crossing branches when dormant in autumn or late winter to very early spring. Site: Requires shelterSoil: Moist, reasonably fertile, humus-rich soil, preferably acid to neutral.Position: Sun or partial shadeSeason of Interest: Flowers in Late Spring, Early SummerHardiness: Hardy to -18°C Height: 20ft (6m) Spread: 20ft (6m)