Using pumice stone as a potting mix

One of the great advantages of attending orchid conferences is learning new and promising growing techniques from experts like Chuck Hanson of Ecuagenera. He raises his Gongora plants in 3/8 inch pumice stone. Among other things, his technique insures that the media is appropriate to the species’ need for a dry season.  Hanson keeps his Gongora plants dry [...]

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