The National Arboretum presents Magnolia 'Galaxy', unique in form and flower among cultivated magnolias. 'Galaxy' is a single-stemmed, tree-form magnolia with ascending branches, the perfect shape for narrow planting sites. In spring, dark red-purple flowers appear after danger of frost, providing a pleasing and long-lasting display. Choose 'Galaxy' to shape up your landscape!
Recognition: The Pennsylvania Horticultural Society Gold Medal Award, 1992.
|Botanical Name:|| Magnolia
(liliflora 'Nigra' x sprengeri 'Diva' ) 'Galaxy'|
(NA 28352-14), ( PI 433306)
|Hardiness:||U.S.D.A. Zones 5-9|
|Development:||'Galaxy' is an F1 hybrid selection resulting from a 1963 cross between Magnolia liliflora 'Nigra' and M. sprengeri 'Diva'. 'Galaxy' flowered at 9 years of age from seed. The cultivar name 'Galaxy' is registered with the American Magnolia Society. Released 1980.|
|Significance:||Magnolia 'Galaxy' is unique in form and flower among cultivated magnolias. It is a single stemmed, pyramidal, tree-form magnolia with excellent branching habit. Galaxy flowers 2 weeks after early parent M. 'Diva', late enough to avoid most late spring frost damage. Adaptable to a wide range of soil conditions.|
Height and width: 30-40 feet tall and 22-25 foot spread. Twenty four feet in
height with 7 inch trunk diameter at 14 years. Moderate growth rate.|
Habit: Single-trunked, upright tree with narrow crown and ascending branches.
Foliage: Deciduous with large leaves (to 8.8 inches long and 4.4 inches wide), medium green above and light green beneath.
Flower: Red-purple, profuse, slightly fragrant blooms (11-12 tepals) up to 8-10 inches when fully open. Blooms appear before leaves. Partially sterile, may occasionally produce fruit and viable seed.
|Culture:||Adaptable to wide range of soil and cultural conditions, including sod culture. Grows best in full sun. Prune to remove suckers and maintain upright shape.|
|Propagation:||Roots easily from semi-hardwood cuttings after stem elongation has ceased, under mist, in a coarse growing medium, 8000 ppm IBA.|
|Landscape Use:||Upright habit suitable for street tree planting. Perfect tree for narrow spaces and smaller landscapes.|
|Availability:||Readily available from retail and wholesale nurseries.|
U.S. National Arboretum Plant Introduction
Floral and Nursery Plants Research Unit
U.S. National Arboretum, U.S. Department of Agriculture, Agricultural Research Service, 3501 New York Ave., N.E., Washington, DC 20002
Last Updated January 14, 2002
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