RoseClear Ultra Shield is a patent-pending pesticide-free formula that protects plants from pests and diseases such as aphids, rust 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 dual action 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. |The bottle is concentrated and makes up to 6.6 litres of spray great value for money. The bottle is made from 100% recycled plastic.