Asaliya seeds (Lepidium sativum), sometimes referred to as garden cress to distinguish it from similar plants also referred to as cress, is a rather fast-growing, edible herb. Garden cress is genetically related to watercress and mustard, sharing their peppery, tangy flavor and aroma. In some regions, garden cress is known as mustard and cress, garden pepper cress, pepper grass, pepperwort or poor person's pepper.