Croton 'Mammy' (Codiaeum variegatum) MyGardenLife What Kills Dandelions Permanently? Methods That Work Seed Sheets 68 Year Old Flowering Fukien Tea Curved Trunk Specimen Bonsai Tree Best Soil for Aloe Vera Plants: 3 Outstanding Choices The Cleancrop brassica system combines specially bred, herbicide tolerant cultivars with a broad spectrum herbicide (Telar) that controls 23 tough weeds, including shepherd's purse, twin cress and wild turnip. Here's how it works