large-leaved cucumber tree
Also known as: great-leaved magnolia; umbrella tree
A tree for a sheltered site , this deciduous, upright but rounded tree about 10m in height with stout blue-grey stems, and very large pale green leaves, silvery-grey beneath reaching 1m in length. Scented, very large, cup-shaped, creamy-white flowers have a deep red base, and are produced in early summer.

Scientific classification
- Species
- large-leaved cucumber tree (Magnolia macrophylla)
- Genus
- Magnolia
- Family
- Magnoliaceae
- Information to be completed
- Toxicity
- Trees
- Plant type
- 8-12 metres
- Height
- wider than 8 metres
- Spread
- Deciduous
- Foliage
- Bushy
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
large-leaved cucumber tree pictures
Distribution of large-leaved cucumber tree
Distribution map
Southeastern USA, Mexico, Caribbean
Information to be completed
Culture
Information to be completed
Toxicity
Information to be completed
Quick identification of large-leaved cucumber tree
Information to be completed
large-leaved cucumber tree care guide
- Moderate regular watering, allowing brief slight drying between soakings
- Watering
- Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Moderate regular watering, allowing brief slight drying between soakings
Fertilizing
Balanced perennial feed every four weeks from spring through summer
Pruning
Minimal pruning required, see magnolia pruning. Deciduous magnolias should only be pruned between midsummer and early autumn
Propagation
Propagate by softwood cuttings from late spring to early summer or semi-ripe cuttings from late summer to autumn
Growing
Grow in moist but well drained neutral to acid soil in full sun or very light shade with shelter from cold winds. Late frost may damage the flower buds. For more information see magnolia cultivation advice
People also ask
Information to be completed
Common pests and diseases
Diseases
May be susceptible to coral spot, phytophthora, grey moulds, honey fungus, a virus or fungal leaf spot
Pests
May be susceptible to scale insects, horse chestnut scale and capsid bug
Explore the plant health library →









