Cupped leaves on boxwood are sign of psyllid infestation
“I am worried about my boxwood. The leaves on some of the plants have taken on a cupped shape and look funny. What is happening, and is there something I should do to help the plants?” — Elaine Feinstein, Skokie The description of the problem on your boxwood indicates that you have boxwood psyllid (Psylla buxi) on your plants. This insect only feeds on boxwood, so you do not have to worry ...