About

Passiflora quadrangularis is a robust evergreen vine that can reach lengths of up to 15 meters. Its stems are distinctly angled, supporting large, broadly oval leaves. The plant produces nodding, fragrant flowers that exhibit a light red hue and feature prominent purple and white coronal filaments. The fruit, which can grow to 25 centimeters in length, is yellow and contains edible pulp.

About the genus

Passiflora represents a group of primarily tender, climbing shrubs that utilize tendrils for support. Their foliage consists of either simple or palmately lobed leaves, which are typically evergreen. The genus is known for its strikingly structured flowers adorned with vibrant coronal filaments. These flowers are succeeded by prominent fruits, which are edible in certain species.

Growing conditions

Sunlight

Full sun, Partial shade

Soil type

Chalk, Loam, Sand

Soil pH

Acid, Alkaline, Neutral

Soil moisture

Moist but well-drained

Aspect

West-facing, South-facing

Exposure

Sheltered

UK hardiness

H1A

Plant details

Plant type

Climber Wall Shrub, Conservatory Greenhouse

Habit

Climbing

Foliage

Evergreen

Height

Higher than 12 metres

Spread

1-1.5 metres

Time to full height

5-10 years

Suggested uses

City and courtyard gardens, Patio and container plants, Sub-tropical

Native to

Tropical America

Care notes

Cultivation

Under glass grow in a container in peat-free, loam-based potting compost in full light with shade from hot sun. Water freely when in growth and keep just moist in winter with a minimum temperature of 13°C. May be grown outdoors in frost-free areas in most fertile, moist but well-drained soils and overwintered indoors, see passion flower cultivation

Pruning

Pruning group 11

Propagation

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

Pest resistance

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

Disease resistance

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