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. Spearmint has the bold spearmint flavor on a rapidly spreading plant that can reach three feet high. The 'Himalayan Silver' cultivar is particularly ornamental. Curly mint has curly or crinkled, deep green leaves that have subtle spearmint flavor. Apple mint has sweet-smelling leaves that are usually round and hairy.