Is bamboo a grass?
Yes. Bamboo is a member of the grass family (Poaceae), though a large, woody and often evergreen one. Some nurseries describe it simply as an ornamental grass. That is why many true grasses can resemble it, with slender stems, narrow pointed leaves and an arching or upright shape.
If you like the bamboo look but are wary of running types, there are two paths: choose a clumping bamboo (see running vs clumping bamboo), or choose a different grass that gives a similar effect.
Ornamental grasses with a bamboo look
These are garden grasses frequently suggested as lookalikes. Always check hardiness and habit for your region, since some of these are tender or can self-seed.
- Japanese forest grass (Hakonechloa macra). Forms cascading mounds of arching, bamboo-like leaves and suits shade. It spreads slowly and is generally well-behaved. It stays quite low, often around two feet. See growing Japanese forest grass.
- Bamboo muhly (Muhlenbergia dumosa). A fine, airy grass with slender, bamboo-like stems, often 4 to 6 feet tall, mostly sold for warm and dry climates. It is not known for cold hardiness, so check your zone.
- Northern sea oats (Chasmanthium latifolium). Has broad, bamboo-like leaves and dangling flower heads. It can self-seed freely in some gardens.
- Miscanthus. Tall clumping grasses with long, arching leaves that give a bamboo-like fountain shape. Some cultivars can self-seed or spread in certain regions, so choose named cultivars and check local guidance.
- Baby bamboo grass (Pogonatherum). A small, tufted, evergreen grass with a miniature bamboo look, often grown as a houseplant or in mild climates.
- Giant reed (Arundo donax). Very tall and cane-like, often mentioned as a bamboo lookalike. It is considered invasive in many warm regions, so it is not a choice to make casually. Check local restrictions before planting.
For ideas on combining grasses and bamboo in a design, see bamboo garden design ideas.
Compact true bamboos that spread less
If you want real bamboo with less drama, consider clumping types. Fargesia are widely sold as cold-hardy clumping bamboos, and some Bambusa work in warmer zones. They are slower to spread than runners, though they still grow into large clumps over time. See cold-hardy bamboo varieties for zones 5 to 7.
Dwarf running bamboos such as some Pleioblastus and Sasa look like grass but behave like bamboo, and many spread vigorously.
Plants often mistaken for bamboo (not grasses)
Many plants have “bamboo” in their name or a bamboo-like look but are not related:
- Lucky bamboo (Dracaena sanderiana). A houseplant, not a true bamboo. It is usually sold in water, and dracaenas are generally listed as toxic to pets.
- Heavenly bamboo (Nandina domestica). A shrub in the barberry family. It is poisonous if eaten and is considered invasive in parts of the southeastern United States.
- Horsetail (Equisetum). A primitive spreading plant with hollow, segmented stems and no real leaves. It can be difficult to remove.
- Bamboo palm (Chamaedorea seifritzii). A clumping palm often grown indoors.
- Dumb cane (Dieffenbachia). A tropical houseplant with a cane-like stem.
Bamboo-like weeds
Some weeds are commonly mistaken for bamboo, particularly when they show up unexpectedly in a lawn or bed:
- Japanese knotweed (Reynoutria japonica). Has hollow, jointed, reddish stems that look bamboo-like but is a knotweed, not a grass. It is a serious invasive species, and in some places there are legal duties around it, so check local rules and take advice before trying to remove it.
- Japanese stiltgrass (Microstegium vimineum). A thin-stemmed annual grass with bamboo-like leaves, a common weed in shaded areas in parts of the US.
- Horsetail, as above.
If a bamboo-looking plant is spreading where you did not plant it, our guide on controlling and removing bamboo covers the digging and cutting methods, though identification should come first. Treatments for knotweed, stiltgrass and horsetail differ, so ask a local extension service or plant expert if you are unsure.
How to tell real bamboo
True bamboo usually has:
- Hollow, woody canes with distinct nodes (rings) along their length.
- Branches that emerge from the nodes, with leaves on the branches.
- Papery sheaths on new shoots that fall away as the cane matures.
- Evergreen leaves in many species.
Grasses without woody canes usually lack branching and form leafy tufts. If the plant has fleshy leaves on a straight, unbranched cane, it is probably a houseplant such as dracaena or dieffenbachia.
Choosing
- For shade and soft texture: Japanese forest grass.
- For tall, fine foliage in warm, dry climates: bamboo muhly.
- For bamboo itself with less spread: a clumping type.
- For a potted bamboo look on a patio: a clumping bamboo in a container (see growing bamboo in pots and containers).