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The Plant Guide

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Saucer magnolia

Magnolia  × soulangeana

mag-NO-lee-ah ex soo-lan-jee-AY-nah

This widely grown hybrid of M. denudata and M. lilliflora is the ancestor to numerous cultivars and grows to 25 feet tall. In mid-spring, it bears fragrant, saucer-shaped white flowers from 3 to 6 inches across deeply flushed with rose-pink or violet.

CareGrow in moist, well-drained, preferably acidic to neutral soil in sun or partial shade; magnolias do not tolerate wet feet. Magnolia flowerbuds are susceptible to late-season frosts; shelter large-leaved species from windy locations. Prune shrubs in late winter or late summer to prevent bleeding of sap; prune minimally to maintain a healthy framework. 

PropagationSow seeds in autumn or stratify to hasten germination. Root softwood cuttings in early summer. Magnolias can be layered in early spring, grafted in winter, and propagated by bud in summer.

ProblemsBacterial leaf spot, spot anthracnose, canker, dieback, butt rot, powdery mildew, anthracnose, fungal spots, weevils, snails, scale insects, thrips, planthoppers.

  • Genus : Magnolia
  • Plant Height : 15 to 30 feet
  • Plant Width : 15 to 30 feet
  • Zones : 5, 6, 7, 8, 9
  • Light : Full Sun to Partial Shade
  • Maintenance : Low
  • Moisture : Medium Moisture
  • Growth Rate : Moderate
  • Flower Color : Pink, White
  • Bloom Time : Spring
  • Plant Seasonal Interest : Spring Interest
  • Plant Type : Trees
View Comments


  1. margaret_boni 04/12/2015

    I am planting a magnolia soulangeana , should I fertilize planting hole with fish,blood and bone. How deep should I plant it

    1. user-7007343 04/17/2015

      Hold off on the fertilizer (except the bone meal) until several weeks after planting, as blood meal and especially the fish fertilizer can exacerbate transplant shock. Then you shouldn't need to fertilize at all until early next spring.

      Plant it so that the crown is about 4 inches above the level of the original soil, to compensate for settling, and also because it's not good for the tree to be drowned in a sunken hole.

  2. jocelyngarciasesnich 09/17/2015

    I woul like to know if magnolia soulangeanea could live near the sea? Not in a windy place. waiting for your answer

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