MAGNOLIA acuminata 'Blue Opal'

Commonly known as Cucumber tree

Spectacular blue buds turn dark yellow as they open. This is a unique colour in the magnolia world

Medium

Pot size - 3 - 5 Litre - Click to view photo

Availability Estimated availability autumn 2025 Any time SEPT-DEC

£70.00 each

Large

Pot size - 5 to 7.5 Litre - Click to view photo

Availability Estimated availability autumn 2025 Any time SEPT-DEC

£80.00 each

Specimen

Pot size - 7.5 to 10 Litre - Click to view photo

Delivery Normally 3 - 5 days
Courier Only due to the size of this plant.
Due to limitations imposed by couriers, taller items might have to pruned to reduce height prior to dispatch.

Click & Collect Ready in 3 - 5 days

£95.00 each

Full Plant Details - Sun/Soil & other attributes - Click to close

Flowering

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Jan

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Feb

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Mar

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Apr

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May

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Jun

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Jul

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Aug

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Sep

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Oct

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Nov

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Dec
Good to know
'acuminata' is more tolerant of alkaline soils. A compact shrub maturing over decades into a tree
Pests & Diseases
Scale insects, honey fungus, coral spot.
Place of origin
Garden origin.
Magnolias - larger gardens
Magnolia
Deciduous
Leaves to 25cm (10in) long, dark green above, lighter and softly hairy beneath
Yellow
dark yellow flowers
Cup-shaped
10cm (4in) across
Fully hardy
Entire
Elliptic
Oblong
Ovate
Height
15m (49ft)
Spread
8m (26ft)
Tall Shrub
Tree
Pruning group 1
Suitable 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.
Hardy - cold winter
Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
Spring Seasonal Interest
Summer Seasonal Interest
Fertile moist well-drained soil
Humus-rich
Neutral to acid soil
Full sun
shelter from strong winds.
Partial shade
Broadly conical