Dodson & Horrell Stroppy Mare is a wonderful blend of Peony Petals, Raspberry Leaves, Chamomile, Vervain, St John’s Wort and Chaste Tree Berries, which has been formulated to help calm your hormonal mare. Chamomile is well known for its calming properties. Hormonal changes can cause problems with your horse’s temperament, making them difficult to handle during certain times of the year. Stroppy Mare is available in a dried blend and as a liquid.