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PlantFiles: Southern Magnolia
Magnolia grandiflora 'St. Mary'

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Family: Magnoliaceae
Genus: Magnolia (mag-NO-lee-a) (Info)
Species: grandiflora (gran-dih-FLOR-uh) (Info)
Cultivar: St. Mary

One member has or wants this plant for trade.

Category:
Trees

Height:
over 40 ft. (12 m)

Spacing:
30-40 ft. (9-12 m)

Hardiness:
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Sun to Partial Shade

Danger:
N/A

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Grown for foliage
Evergreen
Smooth-Textured

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive bartosz On May 20, 2005, bartosz from Hesperia, CA (Zone 8b) wrote:

The best time to plant them is in fall or early spring. Since they are large trees, space individual trees atleast 40 ft. apart; space grouping at least 30 ft. apart, so their canopies will touch each other. Fertilize them in winter with a complete food, 10-10-10. They are occasionally sucseptable to brown soft scale or cottony cushion scale.

Regional...

This plant has been said to grow in the following regions:

Ceres, California
Hesperia, California
Miami, Florida
Indianapolis, Indiana
Lugoff, South Carolina



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