Huangshan Magnolia (Magnolia cylindrica)

Also known as: Cylindrical Magnolia, Huangshan Magnolia

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Magnolia cylindrica is a deciduous, large shrub or small tree with an upright rounded habit. Ecologically, Magnolia cylindrica flowers are attractive to nectar loving insects. Its seeds are attractive to some birds. Magnolia cylindrica requires little maintenance. Care should be taken not to disturb the roots of this plant.

I. Appearance and Characteristics 

The Huangshan magnolia, also known as Magnolia Cylindrica, is an attractive and hardy plant that can grow into a moderately large shrub or a small tree, reaching heights of 5-10 ft and 10-20 ft, respectively. The plant thrives in full sun or semi-shade and requires regular, but moderate watering. Its flowers are large, fragrant, and white or off-white in color.

While the Huangshan magnolia can be grown in USDA zones 7-10 with little effort, it is worth noting that in colder regions, it is best to grow it in a pot to have more control over the temperature. In this case, the plant should be kept in a pot with near-neutral soil and placed indoors during winter. Regular watering and fertilizing are also essential when the plant is grown in a pot.

Huangshan Magnolia (Magnolia cylindrica)
Magnolia cylindrica 2 William (Ned) Friedman CC BY-SA 4.0

Endemic to China, the Huangshan magnolia is named after Mount Huang, where it can be found growing naturally. Sadly, this plant is threatened by habitat loss. It is a deciduous shrub or small tree with thin, lanceolate, dark green leaves. The cup-shaped flowers are pure white and fragrant, and they appear before the young leaves in early spring. The plant produces cylindrical-shaped fruits. The flowering period is typically from March to April, although some species may bloom as late as September.

II. How to Grow and Care

Huangshan magnolia requires well-drained, acidic to neutral soil and prefers a location with partial shade to full sun. A noteworthy special care point is that huangshan magnolia is sensitive to transplanting and must be handled with care to avoid root disturbance. Additionally, huangshan magnolia needs protection from strong winds, as its branches can be quite brittle.

Sunlight

The positioning of your huangshan magnolia is also an important consideration. Despite being able to cope with cooler climates, they will prefer a sunny spot in the garden with some partial shade for protection during the summer months.

Temperature

Huangshan Magnolia (Magnolia cylindrica)
Magnolia cylindrica flower William (Ned) Friedman CC BY-SA 4.0

To avoid damaging early flowering buds, keep huangshan magnolia in its preferred moderate to warm temperatures. Most varieties can withstand weather conditions in hardiness zones 4-9. Huangshan magnolia should only need watering as younger, newly planted trees, or during periods of drought. You can also help your tree retain moisture with a layer of mulch around its base.

Watering

Huangshan magnolia is native to humid environments, thriving in conditions that mimic its natural habitat. It has a moderate preference for humidity and can maintain a relative balance in water content. The plant requires watering once every two weeks, ensuring it receives adequate hydration without becoming waterlogged. As an evergreen plant, huangshan magnolia retains its leaves year-round, making it essential to monitor its water intake during all seasons to prevent dehydration.

Soil

Huangshan magnolia prefers acidic soils, which is important to consider if you are gardening in alkaline soil such as clay or chalk. Add a layer of peat when planting your huangshan magnolia to help raise acidity levels. In areas where soil remains wet, particularly during the winter months, this is no reason to worry: huangshan magnolia can happily cope with compact, rich soil.

Fertilizing

Huangshan Magnolia (Magnolia cylindrica)
Magnolia cylindrica peganum CC BY-SA 2.0

To nurture huangshan magnolia, use balanced nutrition fertilizers biannually in spring and fall, aligning with growth spurts and root development. Fertilizing boosts huangshan magnolia’s vitality, flowering potential, and structural integrity. Apply following dosage guidelines; over-fertilization may cause harm. Adjust feeding with seasonal changes; minimal in dormant winters. For optimal uptake, water after application. Adhere to product-specific precautions to maintain huangshan magnolia’s health and prevent nutrient burn.

Planting Instructions

The best time to plant young huangshan magnolia is during the spring. Plants should be kept well-watered, and benefit from the addition of organic matter or pre-mixed fertilizer to promote strong, healthy growth. This should be mixed in with the soil around the roots of new plants. Be sure to choose a location with plenty of room for your plant to grow.

Pruning

Huangshan magnolia requires little pruning. In fact, pruning can harm the trees or prevent flowering if pruned back too hard. Therefore, a light trim of younger trees during late spring/summer after they have finished blooming is all that is recommended to help shape your plant and to encourage more blooms in the coming years. Remove any damaged branches and ones that are crossing over. You can also trim back any extra-long, leggy shoots. Consider the tree shape when pruning your huangshan magnolia, and always aim for a balanced, open structure.

Propagation

Huangshan Magnolia (Magnolia cylindrica)
Magnolia cylindrica peganum CC BY-SA 2.0

This temperate region ornamental tree thrives in rich, well-drained soil and can be propagated through sowing. Gardeners should collect seeds from huangshan magnolia after the fruits fully ripen and sow them fresh. Given the hard seed coat, scarification followed by stratification enhances germination rates. Sow seeds in a cold frame as soon as they are ripe. Seedlings may be slow to develop but should be carefully transplanted to individual pots when they are large enough to handle. These young plants often need nurturing in a protected environment until they establish a robust root system for successful transplanting into their permanent positions.

Transplanting

The prime time for relocating huangshan magnolia is the warm cusp of late spring, nudging into early summer, capitalizing on vigorous root establishment pre dormancy. Select a luminous site with drained soil. When transplanting, avoid root disturbance to ensure a seamless transition.

III. Uses and Benefits 

Huangshan Magnolia (Magnolia cylindrica)
Magnolia cylindrica (41072943990) Plant Image Library from Boston, USA CC BY-SA 2.0

The huangshan magnolia is a fascinating plant with unique features. It is known for its beautiful flowers that bloom in various colors and its distinctive shape. This plant is often used in gardens to add beauty and attract insects and birds. Additionally, it has economic value due to its use in the floral industry. With its interesting name origin and unusual lifespans, the huangshan magnolia is a wonderful addition to any landscape.

Huangshan Magnolia (Magnolia cylindrica) Details

Common name

Cylindrical Magnolia, Huangshan Magnolia

Botanical name

Magnolia cylindrica

Family

Magnoliaceae

Genus

Magnolia

Species

cylindrica

Origin

Eastern China

Plant type

Hardiness zone

, , , ,

Sunlight

Maintenance

Drainage

Growth rate

Spacing

6-12 ft.

Flowering period

Height

20 in. – 30 in.

Width

20 in. – 30 in.

Flower color

Leaf color

Fruit color

,

Fruit benefit

Flower benefit

Dimensions
Dimensions 63630675053 × 63630675017 cm
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