Plant Profile

Magnolia grandiflora (Southern Magnolia)

Magnolia grandiflora is a tree with large broadleaf evergreens which originates from Southeastern United States. It has white huge waxy flowers which offer a sweet fragrance during early to late spring. Its leaves are dark green and glossy-leathered, with brown or gray undersides. They are big and bold. Fruits on this tree are fleshy cone shaped with red seeds.

Southern magnolia favors sun or light shade and moist, well-drained soil. It may need to be protected from winter winds in the colder parts of its hardiness zone. The branches are a lot, and small in diameter, and the trunk is large with specimens. The size of the trunk can reach approximately a meter in diameter that grows straight up through the center of the crown.

Landscape Information
Botanical Description
Horticulture Management

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French Name: Magnolia à grandes fleurs

Arabic Name: ماغنوليا كبيرة الأزهار

Pronunciation: mag-NO-lee-uh gran-dih-FLOR-uh
Plant type: Tree
Origin: Southeastern United States
Heat Zones: 1 to 11

Hardiness Zones: 7 to 10
Uses: Screen, Espalier, Specimen, Shade, Street
Size/Shape

Growth Rate: Moderate

Tree Shape: Pyramidal, oval

Canopy Symmetry: Irregular

Canopy Density: Medium

Canopy Texture: Coarse

Height at Maturity: 15 to 23 m

Spread at Maturity: 5 to 8 meters

Time to Ultimate Height: 20 to 50 Years

By Pymouss44 (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
By DavetheMage (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
Forest & Kim Starr [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
Forest & Kim Starr [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
By KENPEI (KENPEIs photo) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.1 jp (http://creativecommons.org/licenses/by-sa/2.1/jp/deed.en)], via Wikimedia Commons
By Pmsyyz (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons

By Pymouss44 (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

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Foliage

Leaf Arrangement : Alternate

Leaf Venation: Brachidodrome

Leaf Persistance: Evergreen

Leaf Type: Simple

Leaf Blade: 20 - 30

Leaf Shape: Ovate

Leaf Margins: Entire

Leaf Texture: Glossy, Coarse

Leaf Scent: No Fragance

Color(growing season): Green

Color(changing season): Green
Flower

Flower Showiness: Yes

Flower Size Range: Over 20

Flower Scent: Pleasant (Sweet)

Flower Color: White

Seasons: Spring, Summer
Trunk

Trunk has Crownshaft: No

Trunk Susceptibility to Breakage: Generally resists breakage

Number of Trunks: Single Trunk

Trunk esthetic Values: Not Showy
Fruit

Fruit Type: Cones

Fruit Showiness: Yes

Fruit Size Range: 3 - 7

Fruit Color: Brown

Seasons: Spring, Summer

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By DavetheMage (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
Forest & Kim Starr [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
Forest & Kim Starr [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
By KENPEI (KENPEIs photo) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.1 jp (http://creativecommons.org/licenses/by-sa/2.1/jp/deed.en)], via Wikimedia Commons
By Pmsyyz (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons

By Pymouss44 (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

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Tolerance

Frost Tolerant: No

Drought Tolerance: Yes

Salt Tolerance: Good
Requirements

Soil Requirements: Clay, Loam, Sand

Soil Ph Requirements: Acidic, Neutral

Water Requirements: High, Moderate

Light Requirements: Full, Part, Shade
Management

Toxicity: No

Invasive Potential: Yes

Susceptibility to Pests and Diseases: No

Pruning Requirements: Little needed, to develop a strong structure

Fruit/ Leaves/ Flowers litter: Yes

Surface Rooting: No

Life Span: More than 50

Diseases: Powdery Mildew, Downey Mildew, Leaf Spots, Canker, Blights, Scab, Fungus

Edible Parts: None

Pests: Scales, Leaf Miner, Borers

Plant Propagation: Seed, Grafting