Many of our grazing mixtures have ‘Herbal’ options containing these key herbs. Other mixtures can be upgraded using these packs. Herbs are sensitive to many herbicides used to control broad leaved weeds in grassland. In these situations packs of Herbal Wellbeing can be useful where farmers want to sow herbs later, or on the headland where weed problems are often more limited. It is vital to sow only when they have the best chance of establishing into existing swards, pH is a vital check needed before sowing.