My History Growing Hoya darwinii Part Five

The box arrived from Thailand in May of this year (2019), and for the most part the plants arrived in pretty good shape spending about 8 days in the post. The Hoya darwinii were quite large, and I was generally pleased with them. The roots were grown in a coconut husk plug that was impossible to remove without cutting all of the roots off and re-rooting so I was faced with the task of deciding what growing mix to pot them up in?? I had failed with this plant a few times in soil, so I really did not want to go that route again. Below the leaves of Hoya darwinii: