Yes, snails can do some harm to the tree by feeding on the leaves, or worse, by getting into other areas of the garden and having themselves a feeding frenzy. It is best to get rid of them. This article will help with that: https://www.gardeningknowhow.com/plant-problems/pests/organic-snail-control-how-to-control-garden-snails.htm
Answered on June 27, 2015
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