The following are some azalea cultivars that are resistant to lace bug.
Lace bugs are a frequent pest on azalea, rhododendron, pyracantha and other hosts. These laceywinged insects feed on the undersides of leaves, suck leaf sap and leave a chlorotic dot on the upper leaf surface. They overwinter as eggs inserted into the leaves. Black varnish spots on the underside of leaves is diagnostic for this insect. Management techniques may involve malathion, insecticidal soap, pyrethroids, and resistant varieties.
The following azalea cultivars have resistance to azalea lace bug:
Information from the 2007 Nursery Crops Short Course, Mountain Horticultural Crops Research and Extension Center, Fletcher, NC, North Carolina State University.