Plant Shield Spray Pesticide Free Black Spot Mildew Control 800ml | 4106384 Bee friendly Prevents infestation Dual action Pesticide free Size: 800ml Fungus Clear Plant Shield Spray Pesticide Free Black Spot Mildew Control 800ml | 4106384 FungusClear Plant Shield Spray is a 98% natural ingredient, patent-pending formula that protects against diseases such as powdery mildew and black spot. This product is ideal for roses, shrubs and other ornamental plants. We recommend using bi-weekly during growing season for the best results. The formula combines a physical barrier and strengthens the plants natural defences, as well as being kind to your garden as this product is safe for bees and around pets.