Magnolia hypoleuca – Japanese cucumber tree, Japanese big-leaved Magnolia

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Magnoliaceae

Magnolia hypoleuca – Japanese cucumber tree, Japanese big-leaved Magnolia

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A big, often multiple-stemmed tree with a loose, spreading crown and a smooth bark that turns from light brown into grey. The dark green to purple-brown twigs have grey lenticels and dark purple-brown buds. The obovate leaf is very large, 40 to 45 cm at a maximum. On top the leaf is shiny and fresh green, underneath it is strikingly blue pruinose. In early summer cream-white flowers appear that can reach 20 cm across. The cream-white petals are sometimes greenish or purple red tinged. The stamens are strikingly red at the base. The flowers have a strong but pleasant melon-fragrance. They are followed by elongated, purple-red compound receptacles that are 12 - 17 cm large. These fruits contain orange seeds. Becomes a magnificent solitary cultivar with age.

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Specifications
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Height
10 - 15 (25) m
Crown
round to oblate, half-open crown, capricious growing
Bark and branches
smooth, grey bark, branches dark green to purple brown
Leaf
obovate, fresh green, 20 - 40 cm
Flowers
cream white, Ø 14 - 20 cm, fragrant, May/June, fragrant flowers
Fruits
compound receptacle with orange seeds
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
fertile, well permeating
Paving
tolerates partial paving
Winter hardiness zone
6b (-20,5 to -17,8 °C)
Wind resistance
moderate
Other resistances
resistant to frost (WH 1 - 6)
Shape
clearstem tree, feathered tree, multi-stem treem
Origin
Japan and central China
Synonyms
Magnolia obovata
Clear stem tree feathered tree Multi-stem tree acid soil clay soil loamy soil peaty soil sandy soil tolerates partial paving resistant to frost (WH 1 - 6) flatened spherical round/spherical 3rd size, smaller than 6 metres half-open crown green white May average growing Conspicuous bloom non-toxic (usually) Capricious growing Ornamental fruit Fragrant flowers playground tree
Frequently asked questions
Magnolia hypoleuca

Magnolia hypoleuca can eventually reach a height of 10 - 15 (25) m, depending on the site and climate conditions.

Magnolia hypoleuca is average growing and can eventually reach a height of 10 - 15 (25) m, depending on the site and climate conditions.

The right time to plant Magnolia hypoleuca is during the dormancy period. In Western Europe, Magnolia hypoleuca with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.

Magnolia hypoleuca blooms in may.
General