I moved my calathea under the air-conditioning split just to keep it cool: four days later, every single leaf edge had turned brown
Placing a calathea directly under an air-conditioning unit is a recipe for disaster—brown leaf edges can appear in just four days. The culprit isn’t the cold itself, but the severely dry air the AC creates, which strips moisture from leaves faster than roots can replenish it. Learn why this happens and how to restore your plant to health.
