houseplant humidity

I moved my calathea under the air-conditioning split just to keep it cool: four days later, every single leaf edge had turned brown

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I moved my calathea under the air-conditioning split just to keep it cool: four days later, every single leaf edge had tur...

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.

The Hidden Water Trap in Your Calathea’s Pleated Leaves—and Why It’s Silently Growing Mold

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The Hidden Water Trap in Your Calathea's Pleated Leaves—and Why It's Silently Growing Mold

Your Calathea’s pleated leaves aren’t just a watering problem—they’re creating tiny water reservoirs where mold and bacteria thrive. Those folds trap moisture against the stem, creating the perfect environment for fungal and bacterial infections to spread unchecked. Here’s exactly what’s happening and how to stop it.