Passiflora caerulea seeds grow into the blue passionflower — a vigorous liana native to the subtropical biome from Bolivia through Brazil to northern Argentina. Described by Linnaeus. The epithet caerulea means 'sky-blue' (from Latin), referring to the delicate pale blue corona filaments. One of the most widely cultivated Passiflora species in temperate gardens, and the hardiest: tolerates temperatures to −15°C or below when established, regularly growing as a perennial outdoors in Mediterranean Europe. Extraordinary five-petalled white flowers with blue-purple-white banded corona; orange egg-shaped fruit (edible but insipid). Medicine, food and environmental uses. Parent of many cultivated hybrids. RHS Award of Garden Merit varieties available. Family Passifloraceae.Full sun to partial shade; well-drained soils; subtropical to warm temperate conditions. Vigorous liana to 10 m or more. The hardiest Passiflora — can overwinter in Mediterranean climates. Semi-evergreen or deciduous depending on climate. 'Caerulea' = sky-blue (corona filaments); L. (Linnaeus); hardiest Passiflora (to −15°C); RHS cultivars available Blue-purple-white corona; white petals; orange edible fruit; medicine, food, environmental; parent of hybrids Bolivia to Brazil and N. Argentina — subtropical biome; vigorous liana; medicine, food, environmental Genus Passiflora: ~550 species; New World tropics; passion flowers; Family Passifloraceae; Order Malpighiales Full sun/partial shade; well-drained soils; subtropical to warm temperate; very hardy; liana; Family Passifloraceae Passiflora caerulea — the blue passionflower — is the passionflower that brought the extraordinary beauty of the Passifloraceae to European gardens: the hardiest of the genus, capable of surviving frosts that would kill its tropical relatives, its elaborately banded corona and luminous white petals making it one of the most recognisable ornamental climbers in gardens from Portugal to southern England. IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.
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