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Climber Wall Shrub

Passiflora 'Justine Lyons'

passion flower 'Justine Lyons'

a vigorous, semi-evergreen climber with twining tendrils and large three- or five-lobed leaves. Lightly-scented flowers to 12.5cm across with lilac, fully reflexed petals and rings of darker purple coronal filaments are borne in summer. Flowers are rarely followed by orange-yellow fruit. The pulp in the fruits only can be eaten when they are fully ripe and yellow-orange. Unripe fruit is toxic

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Plant nurseries
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Ultimate height

4–8 metres

Time to ultimate height

5–10 years

Ultimate spread

2.5–4 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

West–facing or South–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)

Botanical details

Family: Passifloraceae
Native to GB / Ireland: No
Foliage: Semi 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 a warm position in a sunny and sheltered position; thrives in moist but well-drained soil. In cold areas, grow in a container and overwinter indoors

Propagation

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

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Wall side borders

Pruning

Pruning group 11 or 12

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

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