ARISTOLOCHIA sempervirens

Commonly known as Birthwort

(syn. Aristolochia altissima) - Evergreen climber with glossy heart-shaped leaves. Pitcher-shaped dullish-red flowers with a bright yellow throat
  • Evergreen
    Leaves to 10cm (4in) long with slender points
  • Red
    Dull purple-red
  • Yellow
  • Height
    3m (10ft)
  • Climber
    Some of these climbing plants will need trellis or wire supports if grown on walls or fences. Other grow aerial roots and are self-clinging
    Lax-stemmed climber. Flowers are produced singly in the leaf axils
  • Hardy - average winter
    Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
    Borderline
  • Full sun
  • Partial shade

ARISTOLOCHIA sempervirens

 

 

  • Additional Features
    Good to know
    In hard winters plant may die back to the ground but usually reappears the following spring
    Pests & Diseases
    Trouble free
  • Hardiness
    Fully hardy
  • Pruning group
    Pruning group 6
    Suitable for: Evergreen shrubs or climbers that need little to no pruning.
    Action: Trim back shoots that spoil symmetry and to fit available space.
    When: Annually after flowering if on previous year's growth, or in later Winter or Spring if flowering on current year's growth, or as requires.

    Pruning group 8
    Suitable for: Wall trained shrubs and less vigorous climbers.
    Action: For climbers 'spur prune' by cutting back 3-4 buds of the permanent framework. For wall trained shrubs cut back flowered shoots to within 2-4 buds of permanent framework.
    When: Annually after flowers if on previous year's growth, or in late Winter or Spring if on current year's growth.

  • Seasonal Interest
    Summer
  • Soil Conditions
    Fertile well drained soil
  • Toxic - Category B - CAUTION
    Toxic if eaten
    People and pets, i.e. dogs, cats, rabbits, rodents, notably dogs
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