Answer: River birches are relatively easy to grow and tolerate a fairly wide range of growing conditions and soil types and are relatively pest and disease free, but that is not to say they never have any problems. I can't really identify why yours is not thriving. Deep watering once a week should keep it happy. You might want to contact your county extension for a precise identification of the problem and suggestions as to how to remedy the situation. Sorry I can't be of more help!
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