The Q&A Archives: magnolia tree, dropping leafs, dry and yellow

Question: 2 trees,
#1 magnolia tree dropping leafs all yellow
#2 Mexican lime tree
great growth, no fruit, trees are 5 years old and gave fruit only the first year. Do I have bad soil ?
What fertalizer should I use ?

Answer: Soils in the southwest desert are alkaline and yellowing leaves or poor growth can usually be helped with applications of Iron Sulphate. Apply in amounts as recommended on the label, which varies depending upon size of the plant. Citrus trees do need to be fed 3 times a year. Use a Citrus Food formula, in amounts and with the frequency as recommended on the package. Best wishes with your landscape!

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