If your asking about Masdevallias then we are looking at Cool, I’ve added a guide from a recommended book, hope this helps explain the growing temperatures.

Temperature CategoryNighttime MinimumDaytime Maximum
Warm62-70°F   (17-21°C)75-95°F   (24-35°C)
Intermediate – Warm60-65°F   (16-18°C)78-83°F   (26-28°C)
Intermediate55-60°F   (13-16°C)73-80°F   (23-27°C)
Cool – Intermediate52-58°F   (11-14°C)68-75°F   (20-24°C)
Cool50-55°F   (10-13°C)62-70°F   (17-21°C)

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