The Q&A Archives: Yellow Leaves

Question: We have two rhododendrens 8 feet tall and about 3-4" thick trunks. I have tested the soil and it seems that the soil is acidic enough, but some of the leaves are medium to light yellow and are dropping off.

We brought the property last year and there was a great deal of dropping leaves. I fed them with MG spikes, but the color is still not right and the leaves are still dropping. I want to transplant them, but I not sure whether or not that would help.

Do you have any suggestions for treating these shrubs (trees)?

Answer: The plants may be showing signs of stress due to the drought last year or winter wind and sun or a soil imbalance or poor drainage or they may have some sort of disease or insect problem. Since transplanting is extremely stressful, it would probably not be a good idea to move them while they seem to be suffering from some other problem already. You might want to consult with your county extension (599-6162) as to the reason for the yellowing and leaf drop before determining the best course of action for these plants.

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