Skimmia japonica is a lovely broadleaf evergreen shrub — except when your dog goes the bathroom on it. Then it turns into this, a yellowed sad skeleton. It used to be stately and lush, a perfect plant for deep shade, but that all changed. A Pretty Green Scheme I planted this skimmia in an effort to contrast with the variegated dogwood growing behind it. For years it worked perfectly. The deep green leaves of the broadleaf evergreen mounded horizontally against the upward vase shape of the light-colored dogwood. But then…