Description

Magnolia grandiflora 'Super Gem' is a compact, evergreen tree known for its glossy, dark green leaves and large, fragrant, creamy-white flowers. This cultivar is noted for its dense, upright growth habit and its ability to thrive in a variety of conditions, making it a popular choice for ornamental landscaping.

Flowers

The flowers of 'Super Gem' are large, creamy-white, and highly fragrant, measuring 15-20 cm in diameter. They bloom from late spring through summer and sometimes into early autumn. The blooms are a significant ornamental feature, providing a rich, sweet scent.

Foliage

The leaves are glossy, dark green on the upper side and a velvety, rusty-brown on the underside, creating a striking contrast. They are leathery and oval-shaped, measuring about 15-20 cm long. The dense foliage provides excellent year-round coverage.

Fruit

The fruit is a cone-like structure, measuring 5-10 cm long, containing red seeds. While not particularly ornamental, the fruit can add some interest in the autumn months.

Form and Size

Magnolia 'Super Gem' typically grows to a height of 3-4 meters with a spread of 2 meters. It has an upright, pyramidal form, making it suitable for smaller gardens and tight spaces.

Growing Conditions

• Soil: Prefers well-drained, slightly acidic soils but can tolerate a range of soil types.
• Sunlight: Thrives in full sun to partial shade.
• Water: Requires regular watering, especially during dry periods.
• Climate: Suitable for temperate to subtropical climates. It is relatively heat tolerant and can withstand light frosts once established.

Uses

• Landscaping: Ideal for use as a specimen tree, in mixed borders, or as a hedge or screen. Its compact size and upright habit make it perfect for smaller gardens and urban landscapes.
• Ornamental: The large, fragrant flowers and attractive foliage provide year-round interest.
• Shade: Can be used to provide shade in gardens and outdoor living areas.

Maintenance

• Pruning: Minimal pruning required. Prune to maintain shape and remove any dead or damaged branches.
• Fertilizing: Benefits from regular applications of a balanced, slow-release fertilizer.
• Pest and Disease: Generally pest-resistant but can be susceptible to scale insects and leaf spot. Ensure good air circulation to minimize disease risk.

Notes

Magnolia 'Super Gem' is a versatile and hardy tree that adapts well to a variety of garden conditions. Its compact size and year-round ornamental features make it a valuable addition to any landscape.

Companion Plants

• Gardenia augusta (Gardenia)
• Camellia japonica (Japanese Camellia)
• Rhododendron spp. (Azalea)
• Liriope muscari Emerald casacde

Common Name

Southern Magnolia 'Super Gem'

Botanical Name

Magnolia grandiflora 'Super Gem'

Family

Magnoliaceae

Origin

Hybrid cultivar, developed from Magnolia grandiflora species