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Plant Atlas
Pink-and-white saucer magnolia flowers on the right above a stone garden path.

Tree

Saucer magnolia

Magnolia × soulangeana

A broad deciduous small tree or large shrub with large goblet-shaped flowers opening before the leaves in spring. It prefers moist, well-drained soil and a sheltered site because late frost can damage the flower buds.

Size
4–8 m high · 4–8 m wideVaries by cultivar
Light
Full sun / Partial shade
Water
Moderate
Winter
Very hardy
Seasonal form
Deciduous
Maintenance
Low

Before planting

  • Allow roughly 4–8 m for both height and spread; its fleshy roots and broad crown need long-term space.
  • Choose moist, well-drained neutral to acidic soil and shelter from strong, cold winds.
  • Avoid warm, exposed positions that encourage very early bud break where late frost is common.

Why choose it

  • Large white, pink or purple goblet-shaped flowers make a strong spring specimen before the canopy fills out.
  • The rounded form works well as a lawn or focal tree where it can mature without heavy pruning.

Care

  • Water regularly while establishing and during prolonged dry periods, then mulch the root zone to reduce drying.
  • Prune only when necessary, preferably from midsummer to early autumn, and avoid large cuts.
  • Keep the root zone undisturbed and do not allow the soil to remain waterlogged.

Good to know

  • The plant itself is very hardy, but early flower buds and open blooms can still be damaged by late frost.