• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Campsis grandiflora

Chinese trumpet creeper

  • Other common names Chinese trumpet creeper
    Chinese trumpet vine

  • Synonyms Bignonia chinensis
    Bignonia grandiflora

    Campsis chinensis

    see more
  • Family Bignoniaceae

  • Genus 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

  • Details

    C. grandiflora is a vigorous climber with mid- to dark green leaves comprising seven to nine leaflets. From late summer to autumn produces terminal clusters of dark orange to red, trumpet-shaped flowers

  • Plant range Japan, China


  • Foliage Deciduous

  • Habit Climbing

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)




  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered


  • Chalk


  • Clay


  • Sand


  • Loam


  • MoistureMoist but well-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral


  • Ultimate height 8-12 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation A climber that despite its exotic-looking flowers is reasonably hardy if grown against a warm, sunny wall. Produces relatively few aerial roots, so likely to need tying in regularly. See campsis cultivation

Propagation Propagate by seed sown in containers in a cold frame in autumn, or by layering, hardwood cuttings or root cuttings

Suggested planting locations and garden types Wall-side Borders Mediterranean Climate Plants Sub-tropical

How to care

Pruning Pruning group 12 in late winter or early spring

Pests May be affected by aphids or scale insects

Diseases May be affected by powdery mildews

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