Why does your Calathea concinna have yellow leaves? Diagnose the cause and fix it with our step-by-step guide.
Pet FriendlyCalathea concinna is a tropical species that requires high humidity levels; when the air is too dry, leaves often turn yellow and develop crispy brown edges. This moisture stress disrupts the plant's ability to regulate transpiration.
Excessive moisture in the soil deprives the roots of oxygen, leading to fungal pathogens that cause widespread yellowing of the foliage. Calatheas are highly sensitive to 'wet feet' due to their rhizomatous nature.
Too much direct sunlight can scorch the delicate leaves of a Rattlesnake Plant, causing them to bleach or turn yellow. Conversely, extremely low light can lead to chlorosis as the plant struggles to produce enough chlorophyll.
Calatheas are sensitive to fluoride, chlorine, and salts found in tap water. Accumulation of these minerals in the substrate can cause leaf discoloration and yellowing symptoms.
Your plant might also be experiencing one of these issues:
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