Answer: Although boxwoods are evergreen they do lose their oldest leaves, which are quickly replaced by new foliage. Lightly pruning each spring will ensure that they remain thick and bushy and full of new growth. If your plants are off color, there may be some root stress (over or under watering) so check the soil for moisture and to ensure that it drains quickly after watering. Aside from the above, you're right, boxwoods are reliable and sturdy little plants. Best wishes with yours!
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