Edward F. Gilman, Dennis G. Watson, Ryan W. Klein, Andrew Okay. Koeser, Deborah R. Hilbert, and Drew C. McLean2
Sweetbay magnolia is a sleek southern, evergreen to semi-evergreen, vast columnar tree, ideally suited to be used as a patio tree or specimen. It may develop to a mature peak of 50 ft within the north or to 60 ft within the south. Bushes glimmer within the wind because of the whitish-green undersides of the leaves. They’re very noticeable as you drive by them on interstates alongside water-logged woodlands. The tree offers glorious vertical definition in a shrub border or as a free-standing specimen and prospers in moist, acid soil such because the swamps within the japanese U.S. and alongside stream banks. The creamy-white, lemon-scented flowers seem from June by means of September, and are adopted by small purple seeds that are utilized by a wide range of wildlife. It may be skilled right into a multi-trunked, spreading specimen plant, or left with the central chief intact as a large column.
Pronunciation: mag-NO-lee-uh ver-jin-ee-AY-nuh
Frequent title(s): sweetbay magnolia, swamp magnolia
USDA hardiness zones: 5A by means of 10A (Determine 2)
Origin: native to the Gulf and Atlantic Coastal Plains, from East Texas to New York
UF/IFAS Invasive Evaluation Standing: native
Makes use of: deck or patio; specimen; avenue with out sidewalk; espalier; tree garden 4-6 ft vast; tree garden > 6 ft vast; freeway median
Peak: 40 to 50 ft
Unfold: 15 to 25 ft
Crown uniformity: symmetrical
Crown form: columnar, vase
Crown density: average
Development price: average
Leaf association: alternate
Leaf kind: easy
Leaf margin: whole
Leaf form: elliptic (oval), rectangular
Leaf venation: brachidodrome, pinnate
Leaf kind and persistence: deciduous, semi-evergreen, evergreen
Leaf blade size: 2 ½ to six inches
Leaf coloration: inexperienced to darkish yellow on prime, silvery white beneath
Fall coloration: no coloration change
Fall attribute: not showy
Flower coloration: creamy white
Flower traits: very showy
Fruit form: ovoid; cone-like
Fruit size: 2 inches
Fruit overlaying: dry or laborious
Fruit coloration: purple to brown with maturity
Fruit traits: attracts birds; showy; fruit/leaves not a litter drawback
Fruiting: late summer time
Trunk and Branches
Trunk/branches: branches do not droop; showy; sometimes multi-trunked; no thorns
Bark: reddish brown to pale grey, clean, and changing into tough with age
Pruning requirement: little required
Present 12 months twig coloration: inexperienced
Present 12 months twig thickness: skinny
Wooden particular gravity: unknown
Gentle requirement: full solar to partial shade
Soil tolerances: sand; loam; clay; acidic; moist to well-drained
Drought tolerance: low
Aerosol salt tolerance: low
Roots: not an issue
Winter curiosity: no
Excellent tree: sure
Ozone sensitivity: tolerant
Verticillium wilt susceptibility: vulnerable
Pest resistance: immune to pests/ailments
Use and Administration
Sweetbay magnolia makes a superb tree for planting subsequent to buildings, in slender alleys or corridors, or in different city areas with restricted area for horizontal crown growth. It has not been planted extensively in downtown city areas, however its flood and drought tolerance and slender crown mix to make it a superb candidate. It normally maintains a superb, straight central chief, though often the trunk branches low to the bottom forming a spherical multi-stemmed, spreading tree. It ought to be grown and planted extra usually.
Sweetbay magnolia roots simply from softwood cuttings, grows freely close to coastal areas, and is happiest in southern climates. It’s thriving within the Auburn Shade Tree Analysis trials in Alabama with out irrigation. Nevertheless, within the confined soil areas typical of some city areas, occasional irrigation is really helpful.
The species is deciduous in USDA hardiness zones 7 and eight (evergreen farther south), however the selection australis and cultivar ‘Henry Hicks’ are evergreen. ‘Havener’ has bigger flower petals.
Pests and Ailments
Scales typically infest foliage and twigs, significantly on dry websites the place the tree is beneath stress.
Tulip-poplar weevil (sassafras weevil) feeds as a leaf miner when younger and chews holes within the leaves as an grownup.
Leaf spots often happen on the foliage however are of little concern.
Koeser, A. Okay., Hasing, G., Friedman, M. H., and Irving, R. B. 2015. Bushes: North & Central Florida. College of Florida Institute of Meals and Agricultural Sciences.
Koeser, A.Okay., Friedman, M.H., Hasing, G., Finley, H., Schelb, J. 2017. Bushes: South Florida and the Keys. College of Florida Institute of Meals and Agricultural Sciences.
U.S. Division of Agriculture, UF/IFAS Extension Service, College of Florida, IFAS, Florida A & M College Cooperative Extension Program, and Boards of County Commissioners Cooperating. Nick T. Place, dean for UF/IFAS Extension.