Water to keep the soil evenly moist and fertilize lightly to encourage maximum flavor. Note that species of mint interbreed easily, forming many hybrids that blur distinctions between species. Keep manure away from mint to discourage rust disease. Remove any yellow-streaked sprigs to prevent the spread of virus. Treat most insect pests with insecticidal soap.
Harvest sprigs just before flowering or as needed.
Use the foliage fresh, frozen, or dried in teas, candied treats, or as flavoring for peas, lamb, potatoes, and other foods. Some have citrus, ginger, and other mint-blend aromas. Peppermint is unique in its characteristic peppermint odor. Flowers are small and purple, appearing in late summer. Try the cultivar 'Mitcham' for strong flavor and dark purple stems.