The Q&A Archives: Canadian Hemlock "no Leaves"

Question: I planted 12 Canadian Hemlocks back in late March of this year. I used isotone fertilizer and hollytone. I assumed that all evergreens required acidy soil that is why I used hollytone. The leaves dropped off approximately two days after I planted them. They seem to be growing in hight but they have no leaves. Could they be dead. If not what can I do to get the leaves back.

Answer: While hemlocks (Tsuga) do prefer an acid soil, they also need a humusy, evenly moist yet well drained soil. Over watering or under watering could cause them to drop their needles. Over fertilizing could also shock them and possibly "burn" their roots. In a windy location, newly planted evergreens would benefit from protection from wind as well, to try to minimize transplant shock. Based on your description, I am not able to diagnose precisely what has stressed your trees. I would suggest you contact the supplier and/or your county extension right away to try to determine more specifically what has caused the problem and what to do next. I'm really sorry about your trees.

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