Passiflora 'Purple Haze'

RHS Plant Profile
passion flower 'Purple Haze'

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Synonyms

Passiflora punctata 'Purple Haze'

Climber Wall Shrub
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Fast-growing, semi-evergreen climber with dark green segmented leaves. Flowers are white with a purple frill and a dark red centre, followed by yellow-orange fruits in autumn. The pulp in the fruits only can be eaten when they are fully ripe and yellow-orange. Unripe fruit is toxic

Position

Full sun, Partial shade

Soil Types

Chalk, Loam

Max Height

8-12 metres

Max Spread

2.5-4 metres

Size

Time to Maturity
5–10 years
Max Spread
2.5-4 metres
Max Height
8-12 metres

Growing Conditions

Chalk Loam
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or West–facing
Exposure
Sheltered
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)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Passifloraceae
Native to GB/Ireland
No
Foliage
Semi evergreen, Evergreen
Habit
Climbing
Potentially harmful
Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
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

How to Grow

Cultivation

Fast-growing climber for sun or partial shade, with shelter, thrives in moist but well-drained soil. In cold areas, grow in a container and overwinter in a conservatory or greenhouse. See passion flower cultivation

Propagation

Propagate by semi-ripe cuttings in summer or propagate by layering in spring or autumn

Suggested planting locations and garden types

  • City and courtyard gardens
  • Patio and container plants
  • Climber and wall shrubs
  • Wall side borders
  • Conservatory and greenhouse

Pruning

Pruning group 11 or12 if necessary in early spring

Pests

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

Diseases

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