Westland Rose Guard is a convenient ready to use spray which controls pests, combats powdery mildew, and breathes new life into your roses. Its completely safe for bees and wildlife and is pesticide-free so can is safe to use around children and pets. You can use this spray all year-round on roses as well as ornamental plants, both indoors and outdoors, and it will effectively control aphids, whitefly, spider mites, mealybugs, scale insects, psyllids, and powdery mildew.