If some of your orchid’s roots are beginning to grow above the surface of the growing medium, your orchid has air roots. Some people refer to them as aerial roots, and the sight of these above-soil roots may make you worry that your orchid has outgrown its pot or that you've neglect...
Fertilize with a balanced orchid fertilizer after each watering. Diluted to one-quarter strength fertilizer once weekly. Once per month, flush the growing medium well by running water through the pot for 10-12 seconds to help wash away excess salts. Paph Orchid at Biltmore Estates Conservatory, ...
Plants growing in the tropics experience humidity levels in excess of 80%. Many of these plants will do very well in the 70 to 80% range, but that is too high for most heated homes in winter. Most common tropical houseplants will do well with a humidity around 50%. As humidity drops ...