Magnolia acuminata 'Koban Dori'
cucumber tree 'Koban Dori'
Deciduous small tree about 6m tall and 4m wide, with elliptic, dark green leaves, paler beneath, to 25cm long, and upright, cup-shaped, light yellow flowers 7.5-9cm long opening with the leaves in mid to late spring, red or brown fruit follow; Japanese introduction
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Size
Ultimate height
4–8 metresTime to ultimate height
10–20 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Yellow | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Magnoliaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy, Columnar upright
- Genus
Magnolia can be deciduous or evergreen trees or shrubs, with large, showy, often fragrant flowers, often opening before the leaves, and sometimes followed by colourful cone-like fruit
- Name status
Accepted
How to grow
Cultivation
Grow in moist, well drained humus-rich, neutral to acid soil in sun or part shade with shelter from cold winds. Late frosts may damage flower buds. Further magnolia cultivation advice
Propagation
Propagate by softwood cuttings from late spring to early summer or semi-ripe cuttings from late summer to autumn
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
Pruning
Magnolia pruning should be carried out in midsummer when in full leaf. See magnolia pruning
Pests
May be susceptible to scale insects, horse chestnut scale and capsid bug
Diseases
May be susceptible to coral spot, phytophthora, grey moulds, honey fungus, a virus or fungal leaf spot
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