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   OrchidExpo 2018      Culture notes      Phalaenopsis (english)
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GENERAL INFO Plants of this genus are also known as Moth Orchids. The genus includes about 70 species from Indonesia, Malaysia, Philippines, and Australia. These plants are epiphytic, monopodial with no pseudobulb; they grow in wood edge and in undergrowths. Spikes bear splendidly clusters of long-lasting blooms. Numerous thousands of hybrids have been created since 1960; one could easily say that this is the most known orchid.
CULTURAL REQUIREMENTS Phalaenopsis are warm to intermediate plants, but they tolerate important changes of temperature. In summer, during their growing period, t hey need abundant waterings and feeders high in nitrogen. Morning waterings are preferable. In summer, they do well with a medium light; in autumn, the plant needs a short period of rest, waterings are then reduced and the night temperature could be lowered, with the result of promoting spikes and blooms. Normal watering can then be resumed with a high phosphorus fertilizer. Blooms start in spring. After the flowers fall, it is possible to promote a new blooming period by cutting the spike under the first dead flower. The dormant bud will develop a secondary branch to the spike. Yellow Phalaenopsis spikes will bloom again in the following years and should NOT be cut.
LIGHT 800 to 1200 foot-candles
TEMPERATURE 20°C to 27°C day, to 15°C minimum night.
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