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Campsis radicans f. flava AGM

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© RHS 2002

Characteristics

Plant type

Climber/Wall Shrub

Habit

Climbing

Toxicity

Resilience

Hardiness

H4 (hardy - average winter)

Colour

Flower

Dark Yellow in Summer

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

8-12 metres

Ultimate spread

2.5-4 metres

Time to ultimate height

5-10 years


Preferred common name

yellow trumpet vine

Family

Bignoniaceae


Campsis are fast-growing deciduous climbers clinging by aerial roots, pinnate leaves and clusters of tubular-funnel-shaped flowers in late summer or early autumn

C. radicans f. flava is a large, vigorous deciduous climber with strongly toothed leaflets and trumpet-shaped, deep yellow flowers to 8cm in length

Synonym(s)

  • Campsis radicans 'Yellow Trumpet'

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or West-facing
  • Sheltered

Cultivation

A climber that despite its exotic-looking flowers is reasonably hardy if grown against a warm, sunny wall

Soil

  • Moist but well-drained
  • Acid, Alkaline or Neutral
  • Chalk, Clay, Sand or Loam

Propagation

Propagate by seed, layering, hardwood cuttings or root cuttings

Suggested planting locations and garden types

Wall-side Borders or Mediterranean Climate Plants


How to care

Pruning

Pruning campsis; pruning group 12 in late winter or early spring

Pests

Generally pest free but aphids may attack the flowers

Diseases

Generally disease free