Cultivation
O. crispum requires cool, well watered, humid conditions, with medium to heavy shade to thrive and after growth has slowed in the autumn it needs a slight lessening of water and fertilizer.
Rather shaded conditions are required, in low to moderate light, which should be filtered or diffused; plants should never be exposed to direct midday sun. Strong air movement should be provided at all times.
Plants should be potted in a well drain medium such as medium fir bark. Plants should be watered often while actively growing, but drainage should be excellent, and conditions around the roots should become rather dry between the watering. Water should be reduced in late autumn after new growth has matured; water should be reduced further in winter, particular for plants grown in dark, short-day conditions common in temperate latitudes. Plants should not, however, be allowed to dry out completely. Fertilizer should be reduced or eliminated until heavier watering is resumed in spring.
Ideally, the plants grow best in a cool marine climate, such as the California fog belt or the Pacific Northwest. Elsewhere, high daytime temperatures will enfeeble and destroy it, unless air-conditioning is available.
Read more about this topic: Odontoglossum Crispum
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