Why does your Crassula arborescens have yellow leaves? Diagnose the cause and fix it with our step-by-step guide.
As a succulent, Crassula arborescens stores water in its fleshy leaves; excessive soil moisture prevents oxygen from reaching the roots, causing them to decay. This disruption stops nutrient transport, leading to widespread chlorosis (yellowing).
A lack of nitrogen in well-draining succulent soil can cause older, bottom leaves to turn yellow as the plant mobilizes nutrients to new growth. This often occurs if the plant has been in the same potting medium for several years.
While they prefer bright light, a sudden drop in light intensity can cause the plant to struggle with photosynthesis, resulting in pale or yellowing foliage. The leaves may also appear stretched (etiolated) alongside the color change.
Crassula arborescens is sensitive to extreme temperature fluctuations, particularly cold drafts. Exposure to temperatures below 50°F (10°C) can shock the plant tissues, causing leaves to lose chlorophyll and turn yellow.
Your plant might also be experiencing one of these issues:
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