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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
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AGM plants have been through a rigorous trial and assessment programme. They are:
© Christopher Whitehouse
the RHS today and get 12 months for the price of 9
Other common names
blue passion flower blue crown
common passion flower flower of five wounds southern beauty wild apricot
Passiflora chinensis Passiflora mayana
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
P. caerulea is a vigorous large deciduous or semi-evergreen climber with twining tendrils. Leaves dark green, with 5-7 finger-like lobes. Flowers to 8cm in width, white, with blue and purple coronal filaments. Fruits ovoid, 4cm, orange
Toxicity Ingestion may cause severe discomfort
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect South-facing or West-facing
MoistureMoist but well-drained
SoilChalk, Sand, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Fast-growing climber for sun or partial shade, thrives in moist but well-drained soil. In cold areas, grow in a container and overwinter indoors. Note that due to its vigorous nature in some gardens it has the potential to become a nuisance
Propagate by seed, semi-hardwood cuttings or by layering in spring or autumn
Suggested planting locations and garden types
City & Courtyard Gardens Patio & Container Plants Cottage & Informal Garden Sub-tropical
Pruning Pruning group 11 or pruning group 12 if necessary, in early spring
Pests glasshouse red spider mite, glasshouse whitefly, mealybugs and scale insects may be a problem under glass
May be subject to a virus
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
blue passion flower
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Join the RHS today and get 12 months for the price of 9