I HAVE FOUR REDTWIG DOGWOOD BUSHES IN FRONT OF MY HOME.THEY APPEAR TP BE DOING WELL,EXCEPT FOR THE INTERIOR BRANCHES ALL HAVE YELLOWING LEAVES...WHAT MIGHT THE PROBLEM BE,AND,HOW DO I CORRECT THIS CONDITION ??? THANK YOU...
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From:
James Schuster
Horticulturist and Plant Pathologist (Retired)