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 Category | Nighttime Minimum | Daytime Maximum |
| Warm | 62-70°F (17-21°C) | 75-95°F (24-35°C) |
| Intermediate – Warm | 60-65°F (16-18°C) | 78-83°F (26-28°C) |
| Intermediate | 55-60°F (13-16°C) | 73-80°F (23-27°C) |
| Cool – Intermediate | 52-58°F (11-14°C) | 68-75°F (20-24°C) |
| Cool | 50-55°F (10-13°C) | 62-70°F (17-21°C) |