I have to ask, how are you growing it? Pot, media extra….
I have mine in pure NZ Sphag about 8” deep with a layer of 2-3” of peat underneath. In a 12” tote. My first died, and the new ones I have are SLOWLY coming out of dormancy still….. like watching a Paph grow..
60-70% coarse horticultural perlite, 10% chick grit, and the rest is regular garden seedling potting soil (without fertilizer). You can top dress with a layer of sphagnum for stability if you wish. In my experience, pure sphagnum usually kills it. It's not really a bog plant.