Cultivation and Cultivars
Nepenthes bicalcarata may be cultivated in a similar manner to other members of the genus, though it requires relatively hot and humid conditions. It needs large pots to do well, and temporary halts in growth are often due to becoming root-bound. Re-potting to a larger pot will often result in a rapid size increase. Under satisfactory conditions, this plant will grow quite fast for a Nepenthes, reaching a large size relatively rapidly.
Despite naturally occurring in peat swamp forests, N. bicalcarata has been successfully grown in a completely inorganic substrate consisting of one part each of Seramis clay perls, lava gravel, and Lecaton expanded clay perls.
Nepenthes bicalcarata has been artificially crossed with N. hirsuta. A particularly robust-pitchered cultivar of this hybrid was named Nepenthes 'Hortulanus Otten', in honour of Karel Otten, former curator of the Botanic Garden in Ghent, Belgium.
A cultivar of the artificial cross N. bicalcarata × N. × dyeriana was registered in 1988 under the name Nepenthes 'Nina Dodd'. It is named after a relative of Cliff Dodd, who created the hybrid.
Two further cultivars of manmade hybrids involving N. bicalcarata have been named. These are Nepenthes 'Bella' ((N. ampullaria × N. bicalcarata) × N. truncata) and Nepenthes 'Rapa' (N. ampullaria × N. bicalcarata). However, both of these names are not established, as they were published without a description.
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