Information on Magnolia Sieboldii Tree

Written by alecia stuchlik
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Information on Magnolia Sieboldii Tree
Beautiful blooms distinguish magnolia trees. (magnolia image by Anna Polishchuk from

Also called Oyama Magnolia, the Magnolia sieboldii boasts the beautiful scented flowers so characteristic of all magnolias. A native to the Far East, the Magnolia sieboldii now grows in many countries across the world. Perfect for a lawn ornamental, the Magnolia sieboldii grows shorter than many other species of magnolias.


In the mid 19th century, Philip Franz von Siebold brought the Magnolia sieboldii tree to Europe from its native East Asia. A physician, Siebold garnered renown for taking the concepts of Western medicine to the closed country of Japan. As a result, the Magnolia sieboldii tree itself was named after Philip Franz von Siebold, as denoted by the “ii” in the ending of “sieboldii.”

Tree Description

This hardy tree grows at a moderate rate, only 20 feet tall and 20 feet wide at maturity. With flowers and broad elliptical leaves, the Magnolia sieboldii works well as an ornamental tree. Plus, its small stature makes it the perfect addition to a smaller yard or garden.


The cup shaped flowers of the Magnolia sieboldii bloom white with beautiful dark red centres. Starting in May, these trees flower until July, making them a long flowering magnolia. In the fall, pink seedpods and red fruit clusters form. Along with their beauty, the flowers of the Magnolia sieboldii emit a strong fragrance.

Growing Conditions

In their natural habitat, these short trees grow under larger trees, so while they can exposure to full sun, the Magnolia sieboldii prefers to grow in partial shade. Plant them in acidic, well-drained soil. Moist soil is essential, constant, overly wet soil can drown the tree.


When planting a Magnolia sieboldii, take similar steps as when planting other magnolia species. Since magnolias have showy flowers, place it in a part of your lawn where other trees cannot inhibit its blooms. Magnolias also put out shallow roots, so make certain you plant it in a fairly low traffic area. Amend the soil with organic material at the time of planting


A hybrid of the M. sieboldii, some consider the “Colossus” a bigger, showier version of the original. Dr. August Kehr created this hexaploid, which means that its flowers have double petals and can grow to 5 inches across. Even the leaves stretch longer, reaching up to 8 inches. In addition, the Colossus grows more vigorously and can tolerate heat and sun better than the original tree.

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