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Yellow stippling on older leaves of queen palm, Arecastrum romanzoffianum, due to a potassium deficiency.

The most common potassium deficiency symptom in palms is yellow stippling on the older leaves that progresses to younger leaves as the deficiency worsens. In palms, potassium deficiency develops readily in sandy, rapidly drained soils, especially were irrigation is frequent, or in palms growing in container media. Credit: Donald R. Hodel, UCCE Los Angeles
Credit: Donald R. Hodel, UCCE Los Angeles
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