Most bagged orchid mixes break down to fines in 6 months and start to rot roots from below
Pot them in regular potting soil and the roots suffocate
fast-draining profile mimics the tree-bark environment these orchids evolved on
and any arid-environment plant
Molly's Orchid Mix - Premium Soilless Orchid Potting Mix Size:10 Quart: (8+ Plants) (Best Value) Most bagged orchid mixes breakQuick answer: what is Molly's Orchid Mix? For: Phalaenopsis, Cattleya, Oncidium, Dendrobium, Vanda, and every other epiphytic orchid. What's in it: coarse fir bark, horticultural charcoal, perlite, and sphagnum accent. No peat moss, no soil. Why it works: orchids are epiphytes. In the wild their roots grip tree bark, not dirt. The chunky bark structure mimics that native environment, drains in seconds, and lets roots breathe. Holds shape for 12 to 18