Not the plant you're looking for? Search over 300,000 plants

Catalpa ovata 'Slender Silhouette'

A narrow, columnar, upright growing tree, with dense foliage and pale green, often three-lobed leaves, 25cm (10in) long. In summer it bears upright stalks of cream-white flowers with purple and orange markings followed by slender hanging pods. This cultivar is reportedly variable in habit.

Size
Ultimate height
4–8 metres
Time to ultimate height
10–20 years
Ultimate spread
4–8 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Cream Purple Orange Green
Autumn Yellow Green Green
Winter Brown Black
Position
  • Full sun
Aspect

South–facing or East–facing or West–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Bignoniaceae
Native to the UK
No
Foliage
Deciduous
Habit
Columnar upright
Genus

Catalpa are deciduous trees of spreading habit, with handsome, large leaves and erect panicles of showy, bell-shaped flowers in late summer, followed by persistent, slender bean-like seed capsules

Name status

Unresolved

How to grow

Cultivation

Grow in any reasonably fertile, moist but well-drained soil in full sun. Shelter from strong winds. Provide young plants with protection from frost in very cold weather

Propagation

Propagate by seed (tree/shrub) sown in a seedbed or containers in an open cold frame in autumn. Propagate by softwood cuttings in late spring or summer, or by root cuttings in winter.

Suggested planting locations and garden types
  • Architectural
  • City and courtyard gardens
  • Cottage and informal garden
  • Sub-tropical
  • Low Maintenance
Pruning

Pruning group 1, or pruning group 7 for pollarding

Pests

Generally pest-free

Diseases

May be susceptible to verticillium wilt and rarely, honey fungus

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.