I have a Masdevallia carruthersiana I grow outdoors, also in San Jose. It is a sequential bloomer, so the inflorescence should be left on the plant until it turns brown. My plant produces a new bloom on each inflorescence every 6-8 weeks. New inflorescences are produced on mature growths. Grow the plant in low light, comparable to that for Phalaenopsis.
Obviously, I don't agree that you can't grow masdevallias in this area. I do feel that they should be grown outdoors or in a cool greenhouse. I think indoors in this area is either too dry and/or too warm. They don't tolerate drying, so using the proper medium is essential. I use a mix with a substantial amount of peat (the chunky type, not the pulverized type you see at garden centers; chopped sphagnum moss would be an acceptable substitute) for moisture retention. Masdevallias are sensitive to water quality, so reverse osmosis or distilled water is prefered, along with only light feeding.
Don't give up!
Regards,
Rick
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