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 virginiana x grandiflora 'Maryland'

Common Name:
Maryland Southern Magnolia

Growth Rate:
Slow - medium

Average Mature Height:
20-60' (shorter in north, taller in south)

Average Mature Width:
15-30' (narrow in north, wider in south)

Flower Details:
Flowers are 14" creamy white, with intense citrus lemon fragrance, long blooming time in early June. Flowers have the appearance of M. grandiflora, but are somewhat smaller.

Fruit Details:

Fall Color:
Evergreen

Bark Details:
Smooth gray

Disease / Insect Problems or Resistance:
Essentially problem free. Cold hardy to -21 degrees

Native Habitat:
Horticultural hybrid, though both parent species are native to US. Zones 5-7

Other Features:
An American hybrid (seed parent = M. virginiana; pollen parent = M. grandiflora) introduced in 1930. Cross made my Oliver M. Freeman of the US National Arboretum. Named by Fredrick Meyer, plant taxonomist, USNA in 1971.

Culture and Care:
Transplant balled/ burlapped or container grown in full sun, partial shade

This plant was blooming:
6/21/2010 - 7/20/2010

Plantings of this cultivar at Boone County Arboretum:
700, 2310

    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