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Climber Wall Shrub

Passiflora caerulea 'Clear Sky'PBR

passion flower 'Clear Sky'

A vigorous, semi-evergreen climber to 5m, with deeply lobed, dark green leaves and 11cm wide, star-shaped white passion flowers with a central crown of pale blue, clear white and purple, and contrasting purple branches, in spring, summer and autumn. Egg-shaped orange fruits appear after flowering which are edible but not particularly tasty

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

South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H4
Botanical details
Family
Passifloraceae
Native to GB / Ireland
No
Foliage
Semi evergreen or Evergreen
Habit
Climbing
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

Accepted

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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. Has the potential to become a nuisance in some gardens due to its vigorous nature. See passion flower cultivation for more information

Propagation

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

Suggested planting locations and garden types
  • Patio and container plants
  • City and courtyard gardens
  • Cottage and informal garden
  • Mediterranean climate plants
  • Sub-tropical
  • Climber and wall shrubs
  • Conservatory and greenhouse
  • Wall side borders
  • Edible fruit
Pruning

See pruning group 1 - tidy after flowering. See pruning group 11 or pruning group 12 if necessary, in early spring

Pests

May be susceptible to glasshouse red spider mite, glasshouse whitefly, mealybugs and scale insects under glass

Diseases

May be susceptible to honey fungus (rarely) and a virus

Get involved

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