If you see dark brown or black blotches appear on the leaves of your roses before turning yellow and falling off the plant ...

Just as your roses reach their peak, a common fungal foe may be lurking, ready to sabotage their vibrant display.Black spot, ...

Round black spots then appear on the rose leaves before they turn yellow and drop off ... fall victim to black spot disease. He said: "A spray composed of one part milk and two parts water ...