I had never heard of a longan tree until I read this so I looked it up and read a bunch of stuff about it. If I were to make a guess at what is wrong with your tree I would say it is two things. Too much water and an iron deficiency. Out of all the research I read about the tree the following link is the easiest to understand.For those who don't know, longan is a sub tropical tree. Attached are the leaves that look like they get sun burned on my longan tree. Should I remove them?
Oh, and no you don't have to remove the leaves. If you add iron chelate and the leaves remain yellow for an extended period of time, then remove them. These trees don't like much water at all.Thanks for the article.
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