Types of MountainLaurelPests. This shrub is a great plant for shady yards and forest gardens, but there are a few bugs that eat mountainlaurel. Both pests can be treated with insecticides. Other mountainlaurelpests include lace bugs, weevils, scale insects, and borers, as per Bartlett Tree Experts. MountainLaurelPests and Diseases.Planting and Caring for MountainLaurel. Plant mountainlaurels from the early spring to summer. Pick a good-sized plant from a nursery. Identifying Common MountainlaurelPests. Various pests can affect Mountainlaurel, including lace bugs, scale insects, and borers. MountLaurelPest Control. We share this world with all kinds of useful and harmful bugs. There is no reason for putting up with annoyances brought on by the presence of common pests... Can MountainLaurel grow in full sun? What is the best hanging plant to attract hummingbirds? What part of the mountainlaurel is poisonous? Do bees like mountainlaurel? 1. What pests and diseases can affect mountainlaurel? Mountainlaurel (Kalmia latifolia) is an evergreen shrub native to the eastern United States. Pest and disease control for mountainlaurel or calico bush. Growing MountainLaurel. Several cultivars of slow-growing, dense, mounding, evergreen shrubs, to 10 ft. Image: Habit Kalmia latifolia MountainLaurel. Pests.MountainLaurel. star shaped pink bud opens to 1" white/pinkish flower, each w/10 stamens in terminal clusters May-June. Reliable Mosquito, Tick, and Outdoor Pest Control in Mount Holly. Mount Holly is a New Jersey township that gets its name from a hill covered with holly trees.