When we think of bamboo and its place in the world, we typically associate it with Asia and the Far East. Bamboo’s importance in Asian history and culture is undeniable, as hundreds (or thousands) of species of the remarkable grass cover great swaths of landscape across the continent. But bamboo actually thrives on six of the world’s seven continents, and you can find native varieties of bamboo everywhere but Europe and Antarctica.

Even North America has a handful of native bamboo species, all members of the genus Arundinaria. They include Arundinaria gigantea, Arundinaria tecta and Arundinaria appalachiana. They are indigenous to the deep south, with a native habit that stretches from Florida to Texas and as far north as the Ohio River.

It’s true that most of the world’s bamboo species—numbering around 1,200 to 2,000 in all—originate from China, India, Japan and Southeast Asia. South America and Africa are also home to many important bamboo varieties. Australian and North America have only a few native species between them, but there are at least three known species indigenous to the more hot and humid regions of the United States.

Bamboo in the United States

Any bamboo enthusiast living in the United States knows that there are innumerable varieties of bamboo growing around the country. You can find bamboo in most any respectable nursery, and it’s commonly seen in parks, private gardens and various settings. But in the vast majority of cases, these bamboo groves are made up of non-native species, almost always consisting of bamboo of Asian extraction.

Non-native bamboo

For the most part, there’s nothing wrong with planting some non-native species to add a little flare to your landscape. Bamboo, after all, is very attractive and incredibly resilient. And there are hundreds of available varieties of bamboo that will thrive throughout the temperate climate zones of the U.S. Some American farmers have even taken to cultivating bamboo as a cash crop for its almost unlimited uses in construction and textiles.

On the other hand, there are some risks to be aware of when planting a non-native species. Some varieties of running bamboo can actually be extremely invasive. If not kept under close supervision, these fast-spreading bamboos can easily take over your garden, and then your neighbors’ gardens. In climates with adequate rainfall, a non-native running bamboo can really transform the local landscape and choke out all the native plant species.

To avoid this kind of environmental fiasco, you should never plant a running bamboo (including any species of Phyllostachys) in the wild. And if you choose to plant a running bamboo in your garden, you should be careful to keep in contained. There are many varieties of running bamboo that are actually very interesting and attractive, so we never suggest avoiding them entirely, only to exercise caution. But if you’re a real botanical purist and bamboo fanatic, you may want to seek out one of the three species of bamboo native to the United States.

Native bamboo in the U.S.

Currently, there are a total of three known bamboo species native to the contiguous United States. All three species belong to the genus Arundinaria, and they all come from the American southeast, where the climate is generally warm and wet. These bamboos are most common in Florida and the deep south, but their range extends as far west as Texas and as far north as the Maryland and the southern Ohio valley.

The three species of Arundinaria include A. gigantea, also called giant cane or river cane, the tallest of the three; A. tecta or switch cane, which prefers wetter climates; and A. appalachiana, also called hill cane, which was only discovered in 2007 and differs from the other two in that it drops its leaves in winter. All species of Arundinaria are running varieties, growing anywhere from a couple feet to several meters tall, with thin, woody culms.

Early European settlers remarked on the prevalence of Arundinaria when they first arrived in the New World. These prolific, running bamboos covered large areas in monotypic fashion. In other words, the bamboo monopolized the habitat, leaving no space for other companion species. For the most part, these bamboos grew around rivers and streams, in what were called canebrakes.

Over time, human activity and agriculture have eliminated or replaced most of these canebrakes, so that the native bamboo groves are not nearly as widespread as they once were. Prior to the arrival of Europeans, Native Americans relied heavily on this woody and abundant natural resource, in much the same way that bamboo has long been used in other parts of the world, for crafts and light construction.

Giant cane grass

Arundinaria gigantea is also called Giant Cane, which can lead to some confusion with Arundo donax which goes by the common name Giant Cane Grass. The two have similar growth habits and are both found along rivers. Even the botanical names are similar. Native to the Middle East, A. donax continues to spread invasively, forming thick stands along waterways across the U.S.

Like Arundinaria gigantea, Arundo grows up to 25 or 30 feet tall, but has softer (less woody) stalks with less utility than bamboo. But it has proven useful for carbon sequestration and has also shown some potential as a source of biomass fuel.

Bamboo in Mexico

In the United States, we sometimes forget that North America also includes our neighbors in Canada and Mexico (with Central America still hovering in limbo). So there are a few more North American bamboo varieties endemic to Mexico. In fact, botanists have identified 56 species of bamboo that occur only in Mexico.

Among these native Mexican bamboos are the members of five genera: Cryptochloa, Chusquea, Guadua, Olmeca, Otatea and Rhipidocladum. These include quite a diversity of bamboos, from Cryptochloa strictiflora, a small (roughly 20 cm) bamboo that only grows in the high elevation rainforests, to Guadua aculeata, a giant timber bamboo commonly used for construction in the areas around the Gulf of Mexico.

Olmeca reflexa grows in lower elevation rainforests and is noteworthy for its soft, fleshy fruits that provide an interesting snack. Otatea acuminata, commonly known as Mexican weeping bamboo, native to the state of Oaxaca, is probably the best known variety among gardeners north of the border.

Further reading

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PHOTO CREDIT: Arundinaria bamboo native to the United States (Wikipedia)

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