Troubleshooting Cymbidium and Phalaenopsis in Hot Climates

Amanda's Cymbidium and Phalaenopsis both lost flowers within three weeks; the Cymbidium's leaves browned at the tips. The expert diagnosed: Cymbidiums are cool-growers, likely suffering heat stress and leaf burn in Texas sun. They need partial shade, repotting in well-draining bark mix (not moss), and cooler conditions—ideally a greenhouse.

For the Phalaenopsis: light green leaves indicate good light for blooming. Repot in bark-based mix with drainage. Ideal temps 65–85°F; avoid direct sun that raises leaf temperature. Phalaenopsis prefer lower light than Cymbidiums and stable indoor conditions, like an east window.

Mass-market orchids often come in degraded mix causing root issues. Repotting and proper environment are key for long-term success.