My mission is to be able to grow and give away food and plants. Most cannasgrow up to six feet tall and occasionally as tall as eight feet. Although most people think cannasgrow from bulbs, they are not true bulbs. Technically speaking, these plants grow from rhizomes, modified stems that store nutrients and send up shoots. Cannas are one of the most tropical-looking plants. They tap into today’s trend towards exotic gardens. But they can be grown in quite temperate climates. Most home gardeners growCanna lilies from rhizomes. This tropical plant is sensitive to the cold and is killed by frost or freezing temperatures. As a result, the rhizomes need to be pulled up and stored indoors over winter in colder regions of the country. IgrowCanna indica from rhizomes that a friend gave me. They have grown well here in our climate (Zone 7) and are really beautiful plants. I tend to agree with Jonathan_Byron, ediblecities and plantsnobin as far as the edibility is concerned. The bold canna lily is ideal for the back of a border. Some varieties grow as tall as 8 feet. For a unique focal point, grow a stand of several sculptural cannas in the center of a circular island bed. In addition to its stunning height, canna lily adds a tropical feel wherever it’s planted. Typically canna lilies grow from 2' to 6' tall and wide, depending on the variety. You can also find dwarf cannas designed for containers, as well as mammoth selections. This beauty thrives in the heat, growing best when temps are 75° F or higher. Canna lily is winter hardy in Zones 7-11. These plants usually grow to 1-1.5m in height but can be taller if the right conditions are provided. Can You GrowCanna Lily In Pots?Choosing Growing Pots. Cannas require large containers as they are big plants – they grow to at least 1m and 2m tall varieties are not uncommon. You can growcannas as perennials in USDA hardiness zones 7 through 11. In some areas across zone 7, canna plants may or may not survive the winter outdoors depending on how cold the season happens to be. Once grown as food in ancient Peru, cannas, with their towering banana-like foliage and magnificent, self-cleaning flowers, shine in modern gardens. While tender to frost, their rhizomes can be stored through winter and replanted in spring, allowing plants to live for decades.
