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Climber Wall Shrub

Passiflora caerulea
  • RHS AGM

blue passion flower

P. caerulea is a vigorous large deciduous or semi-evergreen climber with twining tendrils. Leaves dark green, with 5-7 finger-like lobes. Flowers to 8cm in width, white, with blue and purple coronal filaments. Fruits ovoid, 4cm, orange

Other common names
blue crown
common passion flower
see moreflower of five wounds
southern beauty
wild apricot
Synonyms
Passiflora mayana
Passiflora chinensis

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Size
Ultimate height
8–12 metres
Time to ultimate height
5–10 years
Ultimate spread
2.5–4 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Purple White Green
Autumn Blue Purple White Green Orange
Winter Green Orange
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Passifloraceae
Native to the UK
No
Foliage
Semi evergreen
Habit
Climbing
Potentially harmful
Ingestion may cause severe discomfort. Wear gloves and wash hands after handling
Genus

Passiflora are mostly tender tendril-climbing shrubs, with simple or palmately-lobed, generally evergreen leaves and showy flowers of distinctive structure with often colourful coronal filaments, followed by conspicuous fruits, edible in some species

Name status

Correct

Plant range
S America

How to grow

Cultivation

Fast-growing climber for sun or partial shade, thrives in moist but well-drained soil. In cold areas, grow in a container and overwinter indoors. Note that due to its vigorous nature in some gardens it has the potential to become a nuisance

Propagation

Propagate by seed, semi-hardwood cuttings or by layering in spring or autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Sub-tropical
  • Cottage and informal garden
  • Patio and container plants
  • Wall side borders
Pruning

Pruning group 11 or pruning group 12 if necessary, in early spring

Pests

glasshouse red spider mite, glasshouse whitefly, mealybugs and scale insects may be a problem under glass

Diseases

May be subject to a virus

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