Answer: Japanese maples appreciate growing in a site that provides only filtered sunlight; afternoon sun can burn the leaf margins. Some plants outgrow this by developing more sun-tolerant foliage as they mature. If you have a choice, plant your maple in a morning sun/afternoon shade area. If not, expect some of the leaves to develop crispy margins by mid-summer. It won't hurt the tree, but it does look unsightly.
Best wishes with your landscape!
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