Answer: Ornamental pear trees aren't generally insect or disease prone so I don't think you planted a sickly tree. Since you don't see any insect activity now, I suspect the leaves became hosts to passing insects while the tree was still at the nursery. Be sure to rake and remove fallen leaves at the end of the season to stop any insect eggs from overwintering in the debris. Ornamental pears appreciate full sunshine and thrive in average to poor soils. Yours should be well established by next spring and should produce healthy new foliage. Best wishes with your tree!
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