How Do You Deal With Mildew Leaf Disease?
• Identify the disease. Mildew appears as grey powdery patches on top of the surface of the leaf. • Use cultural control. You can brush mildew off with your hands but this won’t rid your plant of the disease. If you spot a leaf blighted with mildew, prune back the shoot to a healthy leaf, or even to the ground if it needs it. Make sure you check the entire plant thoroughly, pruning as you go. • Use chemical controls. If removing all the diseased leaves will leave your plant completely bare, consider using a pesticide/fungicide spray. This won’t cure the disease but it will stop it spreading. Always follow the instructions on the spray container carefully. • Hold the bottle about 30cm away from the plant and spray enough to coat the leaf but not enough to cause any drips. • Treat the plant either early, or late in the day, so you don’t spray pollen-spreading insects like bees. • Wait 14 days and then repeat. Practise prevention. To stop your plants from getting mildew, keep them well wa
