| Well, the one culture fact that I discovered by experience is that most Dens (not much experience with nobiles) resent a lot of moisture when dormant, mostly winter, and potting 'up', leaving the old mix in place and going to a bigger pot, seems would make the needed thorough drying out in winter a bit more iffy. If it is working for you, well and good, but others should be aware of the need to dry out well when dormant, meaning no growth and no blooms.
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Cynthia
Prescott Orchid Society  |