Boone County Arboretum
9190 Camp Ernst Road
Union, Kentucky 41091
Phone: (859) 384-4999
Fax: (859) 384-6888

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Cultural Details for Magnolia kobus

Common Name:
Kobus Magnolia

Growth Rate:

Average Mature Height:

Average Mature Width:

Flower Details:
White, slightly fragrant, 4" across or less, 6 petals, with a faint purple line at the base outside

Fruit Details:
Elongated aggregate of follicles, 1" to 3" long with showy red seeds, attracts birds

Fall Color:
Does not develop good fall color, although leaves die off yellow to golden brown

Bark Details:

Disease / Insect Problems or Resistance:

Native Habitat:
Native to Japan. Introduced 1865

Other Features:
Does not flower well when young and may take as long as 30 years to reach full flowering potential.

Culture and Care:
Excellent for all types of soil, including limestone. Full sun to partial shade, transplant from container prune after flowering,prefers rich, well-drained soil

This plant was blooming:

Plantings of this cultivar at Boone County Arboretum:

    The information on this page may have come from one or more of the following sources:
  • Dirr, Michael. Manual of Woody Landscape Plants. Stipes Publishing. 1998.
  • Hightshoe, Gary L. Native Trees, Shrubs, and Vines for Urban and Rural America. John Wiley & Sons. 1988.
  • North Carolina Extension Plant Fact Sheets.
  • University of Connecticut Plant Database.