College of Agriculture, Health and Natural Resources

Plant Database

Styrax obassia

Fragrant Snowbell

Styracaceae

Fragrant SnowbellFragrant Snowbell
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Habitat

  • native to Manchuria, Japan, and Korea
  • zone 5

Habit and Form

  • a deciduous small tree or large shrub
  • ascending branches
  • 20' to 30' tall
  • oval crown
  • medium texture
  • moderate growth rate

Summer Foliage

  • alternate leaf arrangement
  • simple, deciduous leaves
  • ovate leaf shape
  • 3" to 8" long
  • dense pubescence on leaf underside
  • dark green leaf color

Autumn Foliage

  • yellow fall color
  • not ornamentally important

Flowers

  • white flowers
  • fragrant
  • clustered in 6" racemes
  • racemes droop
  • blooms in June

Fruit

  • pubescent drupe
  • ovoid
  • 0.75" across

Bark

  • gray brown bark color
  • vertical fissures
  • smooth
  • attractive
  • stems are reddish brown and exfoliating

Culture

  • prefers moist, organic soil
  • partial shade
  • more cold hardy than S. japonica

Landscape Use

  • specimen
  • patio tree
  • situate so the blooms can be observed close up
  • works well in small groupings
  • very showy and desirable

Liabilities

  • lack of cold hardiness can be a problem in the colder parts of its useful range
  • bark splitting
  • ambrosia beetle
  • a delicate plant that can thrive for several years and die abruptly

ID Features

  • pendulous flowers below the foliage
  • gray bark with vertical fissures
  • imbricate, tomentose, ovoid buds

Propagation

  • by cuttings
  • by seed, but there is a double dormancy

Cultivars/Varieties

  • none

© Copyright Mark H. Brand, 1997-2015.

The digital materials (images and text) available from the UConn Plant Database are protected by copyright. Public use via the Internet for non-profit and educational purposes is permitted. Use of the materials for profit is prohibited.

Citation and Acknowledgements: University of Connecticut Plant Database, https://plantdatabase.uconn.edu/, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.