Worldwide Orchids :
The ideal temperatures for Oncidiums are 55-65' F at night and 65-95' F during the day.
Temperatures below 50' F. may damage the plant tissue.
Air movement is good for healthy growing.
The best humidity levels for Oncidiums range from a low of 40 % to a high of 60 %.
If the temperature rises above 85' F., increase the amount of air movement and humidity.
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