Caring for Oncidium Orchids
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Some of the Ocidium species are quite spectacular with their butterfly-like flowers; O. papilio adn O. tigrinum are examples.
The problem is that they are difficult to grow and are best avoided for growing in the home. The hybrids, however, will succeed in a bright but sunless location if you provide good ventilation and some means of increasing the humidity around the plants during the growing season. Allow the plant to rest after flowering by reducing watering and keeping the pot in a cool room. Aim for a minimum winter temperature of 50 degrees F (10 degrees C). The tall spikes of the hybrid varieties bear numerous flowers which are usually quite small.
Oncidium tigrinum pictured.