Bright light best described by South, South East or South West facing window for majority of the species. Avoid direct sunlight.
For epiphytic orchids during the growing season water the plant when it is on the verge of drying out. From November - March reduce the watering to allow for the plants' dormant period. For terrestrial orchids during the growing season do not allow the soil to dry out. From November - March reduce the watering to the same level as epiphytic orchids.
At the base of the plant and as part of the potting mix add sphagnum moss. When it is fairly dry to the touch mist with a fine spray using lukewarm water. Ensure there is good air circulation as sitting water on the leaves can cause fungal and bacterial decease. Do not allow the temperature to drop below 13°C (55°F).
Use dilute specially formulated orchid feed during spring and summer. The plants will also benefit from occasional foliar feed, use a fine mister for this. Young plants will need to be potted annually, while an established plant, every other year.