Magnolia x soulangiana Soul.-Bod. is a hybrid of M. heptapeta and M. quinquepeta. It is a small tree. Hardiness: Zone 4-9 Height: 20-40 feet Growth Habit: Upright in youth, multi-stemmed shrub, low branched tree, pyramidal rounded tree at maturity Flowering: Spring, white, pink, or purple depending on cultivar Light: Full sun to light shade. Soil: Moist, deep, slightly acidic soil with organic matter