About
Passiflora racemosa, the red passion flower, is an evergreen climber to 5 m with three-lobed leaves producing pendant racemes of intricate, showy, red passion flowers with colourful coronal filaments. A beautiful and rewarding climber for a warm, sheltered, frost-free garden or heated greenhouse.
About the genus
Passiflora, the passion flowers, are mostly tender, tendril-climbing shrubs with simple or palmately-lobed, generally evergreen leaves and showy flowers of distinctive structure with colourful coronal filaments, followed by ornamental fruits, some edible. Grown in warm, sheltered gardens and heated glasshouses.
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, East-facing
ExposureSheltered
UK hardinessH1A
Plant details
Plant typeClimber Wall Shrub, Conservatory Greenhouse
HabitClimbing
FoliageEvergreen
Height4-8 metres
Spread0.5-1 metres
Time to full height5-10 years
Suggested usesPatio and container plants
Native toBrazil
ToxicityFruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling 12366,passiflora-tripartita,Passiflora tripartita,,Passiflora sanguinolenta is a vigorous
Care notes
CultivationUnder glass grow 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. May be grown outdoors in most fertile, moist but well-drained soils. Provide support for climbing stems and shelter from cold, drying winds
PruningPruning group 11 or pruning group 12 in early spring
PropagationPropagate 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
Pest resistanceMay be susceptible to glasshouse red spider mite, scale insects and glasshouse whitefly
Disease resistanceMay be susceptible to honey fungus (rarely) and a virus