Content Detail

This hybrid magnolia has excellent hardiness and a beautiful display of white flowers.

  • Family (English) Magnolia
  • Family (botanic) Magnoliaceae
  • Planting site Residential and parks
  • Tree or plant type Tree
  • Foliage Deciduous (seasonally loses leaves)
  • Native locale Non-native
  • Size range Small tree (15-25 feet), Medium tree (25-40 feet)
  • Mature height 20-30 feet
  • Mature width 20-40 feet
  • Light exposure Full sun (6 hrs direct light daily), Partial sun / shade (4-6 hrs light daily)
  • Hardiness zones Zone 5 (Northern Illinois), Zone 6 (City of Chicago), Zone 7, Zone 8, Zone 9
  • Soil preference Moist, well-drained soil
  • Other tolerances Alkaline soil
  • Season of interest early spring
  • Flower color and fragrance Fragrant, White
  • Shape or form Round
  • Growth rate Slow
  • Transplants well Yes
  • Planting considerations Intolerant of pollution
  • Wildlife Insect pollinators
  • Has cultivars Yes

More Information

Native Geographic Location and Habitat

This is of hybrid origin. It is a cross between Magnolia kobus and Magnolia stellata.

Bark Description

Young bark is smooth and silvery gray, becoming slightly roughened with age.

Leaf Description

Simple leaves are arranged alternately on the stem and grow 4 to 6 inches long with an entire margin. Little to no fall color.

Flower Description

Flowers are solitary with six to twelve white or pinkish petals. They are mildly fragrant.

Fruit Description

The fruit is a pickle-shaped structure (aggregate) that matures from green to pink, then red. When mature the structure splits open to reveal seeds.

Care Knowledge

Plant Care

Plant only in spring. Pick a sheltered location to avoid damage from strong winds and plant in full sun for best flowering potential. Magnolias are shallow-rooted and benefit with a layer of mulch to moderate soil temperature fluctuation and conserve moisture. Prune after flowering.

Pests, Diseases, and Tolerances

Potential problems include magnolia scale, verticillium wilt, and chlorosis in high pH soils. Flowers are susceptible to frost damage.

Cultivars

Ballerina Loebner’s magnolia (Magnolia x loebneri ‘Ballerina’):

This cultivar grows 15 to 20 feet high and wide with a rounded form. It blooms early to mid-April and its flowers have numerous pure white petals that are pale pink at the base. Zones 4-8.

Leonard Messel Loebner’s magnolia (Magnolia x loebneri ‘Leonard Messel’):

This cultivar grows 25 to 30 feet high and 30-35 feet wide with a rounded form. It blooms in early to mid-April and its flowers have dark purple buds that open with a white interior. It is sensitive to drought conditions. Zone 4-8

Merrill Loebner’s magnolia (Magnolia x loebneri ‘Merrill’):

This cultivar grows 25 to 30 feet high and 30 to 35 feet wide with a rounded form and blooms early to mid-April. It is a fast growing tree with many strap-like petaled white flowers. It is sensitive to drought conditions. Zone 4-8. 

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