You can grow Cymbidium in any mix, but your choice dictates the watering schedule you need to follow.
Cymbidums do not like to go dry, so I generally advise against bark mixes - unless you are a chronic over-waterer. I use a terrestrial mix, and water the plants heavily all summer (3 hours with a sprinkler, 3 times a week).
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Kim (Fair Orchids)
Founder of SPCOP (Society to Prevention of Cruelty to Orchid People), with the goal of barring the taxonomists from tinkering with established genera!
I am neither a 'lumper' nor a 'splitter', but I refuse to re-write millions of labels.
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