Convolvulus

The most effective weed control for convolvulus is Woody Weedkiller. This product is a selective weedkiller and controls broadleaf weeds only. The spray works slowly and the effects may not be visible for 3 to 4 weeks. Precautions: Do not spray when winds are obvious as spray drift can damage other nearby plants. You also need to ensure that animals, pets etc are well away when spraying. If you are spraying in a concentrated area, you will need to delay any fresh planting for 6 months.