Answer: No, I haven't heard of that. Palm trees are susceptible to nitrogen, potassium, and magnesium nutrient deficiencies, and they also need various micronutrients. I recommend you use a fertilizer formulated especially for palms. According to University of Arizona experts, it should have 10-20% Nitrogen and Phosphorus, 5% Potassium and 1-3% Mg, .5% Mn and Fe, as well as trace amounts of S, Zn, Cu and B. This will be on the package label. Follow instructions exactly for amounts and water well after application. Good luck with your palms.
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