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MAGNOLIA acuminata 'Seiju'
Commonly known as Cucumber tree
Blue-green tulip-shaped flowers
Plant Details
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to knowAbout 5-8m (16-26ft) in 10 years
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Pests & DiseasesScale insects, honey fungus, coral spot
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Place of originGarden origin. Japan. Nakamura. Pre. 2000
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Magnolias - larger gardens
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Magnolia
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DeciduousLeaves to 25cm (10in) long, dark green above, lighter and softly hairy beneath
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Tulip5-10cm (2-4in) across
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Fully hardy
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Entire
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Elliptic
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Ovate
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Height15m (50ft)
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Spread12m (40ft)
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TreeUpright tree. Blue-green flowers open to reveal yellow inner tepals
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Hardy - very cold winterHardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
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Spring Seasonal Interest
Planting Tips and Care Advice
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Pruning group
Pruning group 1Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
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Soil Conditions
Fertile moist well-drained soilHumus-richNeutral to acid soil
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Sun Requirements
Full sunShelter from strong windsPartial shade