Magnolia kobus ‘Borealis’ is a deciduous tree native to Japan and Korea. It is also known as Kobus Magnolia, Mokryeon, Kobushi Magnolia, Northern Japanese Magnolia, or Magnolia praecocissima. It belongs to the Magnoliaceae Family of the plants. It is a slow grower.
Magnolia kobus ‘Borealis’ grows as tall as 80ft or 24m. The branches if crushed are fragrant. It has fragrant creamy white colored flowers and about 5in or 12cm. After flowering the fruits are pinkish and the seed red. Flowers appear in spring around April. This tree flowers when it matures sometimes it takes over 30 years before it starts flowering and as it gets older it flowers more profusely.
Plant this tree in full sun or partial shade and in rich and well-drained soil. But it does not like soil that is excessively dry or wet. Protect it from strong wind.
It is easily propagated from cuttings in the summer or seeds. However, seeds need to go through a cold period before sowing. You will obviously be waiting much longer period for them to flower. They do not require any pruning except to shape it and it should be pruned after flowering is over in the summer. The most common problem for Magnolias is the damage to the flowers from the cold. It is best not to plant them with southern exposure so as not to encourage early blooming.