Outdoors, in containers, and hydroponics. Plant Height. Peppermint and spearmint usually grow to a height of 12 to 18 inches (30-45cm). Peppermint plants should be spaced between 18 and 24 inches (45 and 60 cm) apart. Peppermint (Mentha piperita) is believed to be a hybrid between spearmint and water mint. Make the popular mojito cocktail by combining spearmint, rum, club soda, lime and sugar. Like most members of the mint family, peppermint can become invasive if allowed to grow freely in optimal conditions. Growing peppermint plants can quickly become out of control without proper care with their creeping rootstocks. Use fruity mint varieties for juices, and spearmint or peppermint for more mild beverages like water or tea. Be forewarned, though, that if you love tea, Liversidge has already won half of the mind-game battle. Spearmint plants should be placed between 3 and 4 feet (90-120cm) apart. Growing Peppermint & Peppermint Cultivation. Preferred pH Range Peppermint (Mentha × piperita, also known as Mentha balsamea Wild.) If growing your own food isn’t your cup of tea, Cassie Liversidge is out to change your mind. Indigenous to Europe and the Middle East, the plant is now widely spread and cultivated in many regions of the world. A large patch might be mowed, with the blade being at the highest setting in early spring, to generate fresh and compact growth. is a hybrid mint, a cross between watermint and spearmint. Add fresh mint leaves to a variety of beverages, such as lemonade, iced tea, juices and even iced water. Gardeners who grow peppermint outdoors will quickly learn how fast peppermint spreads in a growing space. For most gardeners, the trick to growing peppermint in the garden is keeping it from taking over. For this reason, many people choose to grow peppermint in containers to prevent it from taking over a garden. Plant Spacing. Peppermint is a popular herb among home gardeners for its use in teas and homemade soaps and lotions.

It is occasionally found in the wild with its parent species. Growing Cultures.