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Climber Wall ShrubConservatory Greenhouse

Passiflora × exoniensis

Exeter passion flower

P. x exoniensis is a vigorous evergreen climber to 6m or more, with deeply 3-lobed leaves and pendent, long-tubed flowers to 12cm across, with spreading rose-pink tepals and short white corona, followed by ovoid yellow fruit

Synonyms

Passiflora 'Exoniensis'
Tacsonia 'Exoniensis'
see morePassiflora antioquiensis misapplied

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Ultimate height

4–8 metres

Time to ultimate height

5–10 years

Ultimate spread

0.5–1 metres

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or East–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 the UK: No
Foliage: 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: Correct

How to grow

Cultivation

Under glass grow in loam-based potting compost such as John Innes No. 3 in full light with shade from hot sun. Water freely when in growth and sparingly in winter. Well suited for a cool conservatory. May be grown outdoors in most fertile, moist but well-drained soils in mild areas. Hardy to about -1°C, an excellent drainage is essential, but best grown under cover. Provide support for climbing stems and shelter from cold, drying winds

Propagation

Propagate by seed sown at 13 to 18°C in spring or root semi-hardwood cuttings in summer. Layering can be carried out in spring or autumn

Suggested planting locations and garden types

Patio and container plants
Wall side borders

Pruning

Pruning group 11 or pruning group 12 in early spring

Pests

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

Diseases

Generally disease free

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