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Magnolia kobus
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Magnolia kobus

Magnolia kobusKobushi magnolia

A deciduous magnolia of tree form, among the most vigorous and hardy of the genus, flowering in March and April with white, lightly scented flowers of six tepals, before the leaves. It tolerates neutral and even slightly chalky soils, and is the basis of many of the hybrid magnolias grown in gardens.

  • Scented white flowers in March and April, before the leaves
  • The magnolia that best tolerates neutral soils and some chalk
  • Vigorous, with a broad crown of 8 to 12 metres
Plant typeTree
Mature height8 to 12 m
Mature width6 to 8 m
Growth rateFast
Foliage persistenceDeciduous
Flowering seasonSpring
Autumn colourYellow or golden
Drought toleranceModerate
Landscape applicationsSpecimen tree, Shade tree, Park or woodland, Car park, Wide avenues

About this species

Magnolia kobus reaches 8 to 12 metres in height and 6 to 10 in width, with a crown that is conical when young and broad and rounded at maturity. The flowers, of 10 centimetres, open white with a pink line at the base, in March and April, and cover the whole tree in mature specimens.

It is native to Japan and Korea and is the most soil-tolerant magnolia: it grows in neutral ground and accepts some chalk, where most magnolias suffer. The leaves, oval and dark green, yellow in autumn, and the fruits, elongated and pinkish, open to reveal red seeds.

It wants sun or partial shade, moist, deep, well-drained soil, and shelter from late frosts. It grows at a medium rate and needs no pruning. Grafted specimens flower early; seed-raised ones take years to flower fully.

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