- Provides nutrients for vibrant, healthy roses - Physical control of pests and powdery mildew - Can also be used on flowers, Shrubs, Fruit and Vegetables - Ready to use and Pesticide free - Child Pet Bee Safe Spear & Jackson Rose Defence is a ready to use, bee friendly, pesticide free spray that controls a range of pest species including Whitefly, Aphid, Red Spider Mite, Mealybug Scale and Psyllid. Due to the physical mode of action these pests will not become resistant to the product. It also protects against powdery mildew by washing away spores and foliar feeds on applying. Used by professionals Rose Defence spray can be used on roses as well as ornamental plants, flowers and edible crops. With no harvest interval fruit and vegetables can be eaten within hours of spraying. Wash well before consuming.