The orchid industry loves moss because it is very easy to pot and is lighter and cheaper than fir bark. … But not all orchids like to be in a soaking wet potting medium; especially Phalaenopsis orchids. Too much water prevents air from reaching the roots. The moss simply retains too much water for the plant to survive.

Is moss bad for orchids?

Sphagnum moss is a fine substrate, and it can hold water better than bark. Its water retention ability makes it an excellent potting material for young orchids. However, it cannot provide proper aeration for root respiration. It can also be difficult to transplant an orchid that is potted in sphagnum moss.

Do orchids like coffee grounds?

In order to keep your hard to grow orchids thriving, they will need to be fed properly. Orchids require very low amounts of fertilizer when they are actively growing leaves and roots. … Coffee grounds are an excellent fertilizer, especially for orchids and African violets.