Zygopetalum Trozy Blue

[Roberta]

Zygos do like to be on the damp side. Choice of medium should be dictated by your conditions and how much time you have to water. They are more like a Cymbidium or Oncidium in water requirement than, for instance, a Cattleya. This one could use repotting after it finishes blooming - the roots really would rather be in the medium, But they do tend to be climbers/wanderers so you do have to put them back into the pot occasionally.