Roses are still one of our favourite groups of plants, but to get the best from them you do need to give them some loving care and attention. That’s why Greenacres have perfected a range of organic products to ensure you get the very best from your roses. Sulphur is the natural enemy of blackspot and powdery mildew on roses. It is common knowledge and in the public domain, that these diseases were less common when sulphur dioxide was emitted by coal fires and industrial pollution prior to the 1968 Clean Air Act. Sulphur Rose has been previously known as - Wettable Sulphur - Sprayable Sulphur - Soluble Sulphur.