To properly grow Spathoglottis orchids, provide temperatures ranging from 70°F to 90°F (21°C to 32°C) during the day with a drop at night between 60°F to 70°F (15°C to 21°C), humidity between 50% to 70%, and apply moderate to high light levels. For this reason, Spathoglottis are the perfect beginner orchid to grow outdoors in zones 9-12