Why does your Kalanchoe fedtschenkoi Rosy Dawn have yellow leaves? Diagnose the cause and fix it with our step-by-step guide.
Kalanchoe fedtschenkoi are succulents that store water in their leaves; excessive soil moisture prevents oxygen from reaching roots, leading to fungal pathogens like Pythium. This disrupts nutrient transport, causing the characteristic yellowing of older leaves.
A lack of nitrogen prevents the plant from producing chlorophyll, which is essential for the 'Rosy Dawn' foliage. This typically manifests as a uniform yellowing starting with the oldest leaves on the plant.
While Kalanchoe prefer bright light, inadequate light levels can cause the plant to struggle with photosynthesis. The plant may sacrifice older leaves by turning them yellow to redirect energy to new growth seeking light.
As a succulent, Rosy Dawn is sensitive to temperatures below 50°F (10°C). Sudden drops in temperature can cause cellular damage, leading to chlorosis (yellowing) and eventual leaf drop.
Your plant might also be experiencing one of these issues:
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