Genus of 120-150 species of everygreen, semi-evergreen, or decidious, rhizomatous, terrestrial, occasionally epiphytic orchids from sites in tropical and temperate areas(Asia Polynasia, and Madagascar). Some of them are used for cuttings.
Plants of the medium warmth conditions. In the end of winter, after blooming, leafless bulbs survive without water in temp. of 16-18 degrees C (50-60 F) for about 1-2 months. With appearance at their base of new stems (but before formation of roots) old bulbs are divided from new ones, and the new ones are planted, not too deep, in orchid potting mix. During summer grow plants in a warm condition with circulating air. Shade from direct sunlight and feed regularly. Cuttings do not lose freshness up to 7-10 days. Grow in terrestrial orchid potting mix.
Water freely in summer. Water evergreen species sparingly in winter. Avoid spraying the foliage, since it may become spotted.
For spring-flowering plants, devide pseudobulbs after flowering. Otherwise, divide in early spring as new growth appears.
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