What Is Wrong With My River Birch?

River birch leaves crinkled and discolored by aphid feeding.

If the leaves on your river birch look like this, do not be alarmed. This distortion and discoloration is caused by a species of aphid that only feeds on river birch and witch hazel. No treatment is necessary -- the damage is temporary and not harmful to the plant, plus the aphids will attract ladybugs and other beneficial insects to your yard!

Learn more: http://pender.ces.ncsu.edu/2013/05/what-is-wrong-with-my-river-birch/