wild crab apple tree - Knowledgebase Question

Owosso, Mi
Question by CVANMALSEN
August 20, 2009
I have wild crab apple trees in my yard and one looks sick. I have tried 12-12-12 fertilizer into 42 inch holes around the roots, but did not help.How can I tell what problem it has and what to use? It looks not as full and not as green as the other ones.


Image
Answer from NGA
August 20, 2009

0

If it is not greening up, even after using fertilizer, it must be stress in other ways. You didn't mention whether or not you've pruned your tree. Pruning encourages new growth, which should be healthy if the roots are healthy. Try pruning a few branches. If the new growth still does not look healthy, the tree may be diseased. I can't diagnose the problem long distance so I can only suggest you take a sample branch with leaves to your local extension office. Helpful folks there can inspect the leaves and twigs and determine just what the problem might be. They can also suggest remedies for your crab apple. Best wishes with your landscape!

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