I’ve started experimenting with a substrate called Lechuza Pon made in Europe. So far the moisture loving species are loving it like the Hoya lockii pictured below. I have not yet mastered how to get the watering right for the non-moisture loving species.
![](https://i1.wp.com/vermonthoyas.com/vhwp/wp-content/uploads/2019/07/IMG_7956.jpg?fit=625%2C937&ssl=1)
![](https://i2.wp.com/vermonthoyas.com/vhwp/wp-content/uploads/2019/07/IMG_5783.jpg?fit=625%2C417&ssl=1)