Orchid care tips for the individual species, as advised by the American Orchid Society
Phalaenopsis
Temperature: 65-90 F in the day, 55-70 F at night
Water: Every 5-7 days, keep evenly moist, avoid wet foliage
Light: Moderate, 70-80% shade, no direct sun
Feed: Twice a month
Re-pot: at least once every 2 years
Paphiopedilum
Temperature: 70-80 F in the day, 50-65 F at night
Water: Every 5-7 days, keep evenly moist, avoid wet foliage
Light: Moderate, 70-80% shade, no direct sun
Feed: Weak solution, twice a month
Re-pot: ideally every year, or at least every other year
Cattleya
Temperature: 70-85 F in the day, 55-65 F at night
Water: Every 6-8 days, allow to nearly dry between waterings
Light: Bright filtered, 35-50% shade
Feed: Twice a month
Re-pot: when the pot becomes over crowded, once every 2-3 years
Dendrobium
Temperature: 70-90 F in the day, 45-65 F at night
Water: Every 5-7 days, keep almost moist, drier in winter
Light: Bright, 25-50% shade, more light in winter
Feed: Twice a month, less in winter
Re-pot: at least once every 2 years
Oncidium
Temperature: 70-85 F in the day, 55-65 F at night
Water: Every 5-7 days, allow to dry between waterings
Light: Bright filtered, 35-65% shade
Feed: Twice a month
Re-pot: when you see the first signs of growth, when the pot becomes overcrowded
Cymbidium
Temperature: 70-80 F in the day, 45-60 F at night
Water: Every 5-7 days, keep evenly moist, less water in winter
Light: Bright indirect sun, 25-50% shade
Feed: Twice a month
Re-pot: when flowering is over, every 1-2 years