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

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Cultural Details for Magnolia x loebneri 'Merrill'

Common Name:
Merrill Loebner Magnolia

Growth Rate:
Fast

Average Mature Height:
25-35'

Average Mature Width:
30-35'

Flower Details:
10-17 white tepals, 3-3.5 across, fragrant. Full flower mid-March to late April depending upon location and/or temperature, free-flowering throughout year.

Fruit Details:
Aggregate of follicles, almost resembling a string of tightly packed beads.

Fall Color:
Yellow-bronze

Bark Details:
Brown-purple-green, dotted with elliptical-oval gray vertical lenticels. Older trunk gray and sculptural.

Disease / Insect Problems or Resistance:
None serious.

Native Habitat:
Zone 3b-8. Its parent, Magnolia x loebneri, is the result of a cross between M. kobus and M. stellata made by Max Löbner of Pillnitz, Germany, shortly before World War I.

Other Features:
Magnificent in flower, resembling a white cloud. Sweet fragrance when stems are bruised.

Culture and Care:
Protect as much as possible, avoiding southern exposures will prevent fast bud opening. Prefers a peaty, organic-based soil, full sun for best flowering. Roots easily from cuttings.

This plant was blooming:
3/24/2010 - 4/5/2010
3/26/2007 - 4/2/2007

Plantings of this cultivar at Boone County Arboretum:
8210, 8240, 8270, 8300

    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. www.ces.ncsu.edu
  • University of Connecticut Plant Database. www.hort.uconn.edu