Shrub · Berberidaceae
Heavenly Bamboo
Nandina domestica
Poised, drought-proof, and fiery in winter, nandina anchors a border with ease, though its berries are poison to wildlife.
Full sun
Every 7–14 days
USDA 6–9
3–8 ft · 0.9–2.4 m
Overview
Heavenly bamboo isn't a bamboo, though it plays the part beautifully in a garden scheme. Nandina is an upright, cane-forming evergreen shrub in the barberry family, its airy leaves and slender stems reading as bamboo from a path or a window and lending a border that fine, screen-like verticality. As the season cools it warms into reds and purples, then holds bright berries through winter, keeping a scene alive when little else does.
Few shrubs slot so easily into a home landscape. Nandina takes heat, drought, and poor soil in stride once settled, works in everything from a sunny front bed to a shaded side yard, and rides out cold down to -9°F (-23°C). Pests and deer tend to pass it by, part of why it became such a fixture in southern gardens and along entry walks.
Its good looks come with a caveat worth planning around. The whole plant, and the berries most of all, carries cyanide-releasing compounds that poison animals and people, and birds that gorge on the fruit can die outright. Nandina also escapes gardens and turns invasive across the Southeast, so where it goes in a scheme, and whether you let it fruit, deserves as much thought as its placement.
Care
The short version: site it in full sun to part shade in almost any well-drained soil, water it through the first season and then largely leave it be, and renew a few of the oldest canes each late winter to keep its silhouette full.
Light
Nandina settles into almost any exposure, from full sun to deep shade, which is what makes it so versatile in a scheme. Sun draws out the red and purple winter color, though, so a shrub tucked in deep shade reads green and quiet even as it grows perfectly well.
Water
Offer regular water through the first season while it takes hold, then step back. Once established it is genuinely drought tolerant and wants a drink only during a long dry spell, roughly every 7 to 14 days in heat, which keeps upkeep low around the rest of a garden.
Soil
This shrub adapts to clay, loam, or sand as long as the drainage is decent, so it works across a mixed planting. It handles a wide pH range, from 5.0 to 8.5, meaning most garden soil suits it without special preparation.
Temperature
Nandina is cold-hardy down to about -9°F (-23°C) and shrugs off heat to 100°F (38°C). That broad tolerance is why it holds a border across USDA zones 6 to 9 with no special protection.
Humidity
Outdoor air is all it asks for, so there is no humidity to manage. The shrub takes humid southern summers and drier conditions alike, an easy fit for most climates.
Feeding
Nandina is a light feeder that gets by on very little. A single balanced slow-release shrub fertilizer in spring is plenty, and many plantings do fine with none, which keeps a low-maintenance garden truly low-maintenance.
Pruning
Prune in late winter by cane, cutting individual stems at different heights just above a node so the shrub fills out rather than thinning at the top. Take out a few of the thickest, oldest canes at the base each year to keep the form renewed, since flowers and fruit form on new growth.
Repotting
Nandina is mainly a landscape shrub, but a container specimen on a terrace wants a fresh, larger pot every 2 to 3 years. Repot when you see roots circling, water running straight through, or growth stalling.
Size & spacing
Expect a mature shrub of 3 to 8 feet (91 to 244 cm) tall and 2 to 5 feet (61 to 152 cm) wide. Give each plant room to reach that spread within the layout, or plan to keep it in scale with regular cane pruning.
When to plant
Nandina slips into a garden with little fuss, best planted in spring or fall while the soil is workable and the weather stays mild. It flowers in late spring, and the red berries follow in fall to carry the display through the cold months.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Plant: spring or fall
- Harvest: Flowers in late spring; bright red berries develop in fall and persist through winter.
Hardiness
USDA hardiness zones: 6–9
Temperature: down to -23°C
Troubleshooting
Nandina asks little of a gardener, and its occasional troubles come down to how it's pruned, how much light it draws, or how far it strays. Catch the early signs below and you can keep its shape, its seasonal color, and its footprint looking deliberate.
Stray seedlings drifting past the planned bed
When seedlings surface beyond the bed you designed for it, nandina is revealing its invasive side, and it travels by two routes together. Birds carry the berries off and sow the seed at a distance, while rhizomes and broken roots quietly resprout close to the parent. Clearing the berry clusters before they ripen, lifting every seedling and root fragment, and choosing sterile, non-fruiting selections or native shrubs keeps a garden looking intentional rather than overrun.
Fix:
- Remove berry clusters before they ripen to limit bird dispersal
- Dig out seedlings and rhizomes, removing all root fragments
- Replace with sterile, non-fruiting cultivars or native alternatives
Bare lower canes that leave a border looking thin
A nandina left alone for a few years tends to go leggy, its canes bare at the base and foliage floating up top, and a shady corner only deepens the gap it leaves in a planting. A late-winter renewal restores the composition: take about a third of the oldest, thickest canes to the ground and shorten the rest to varied heights above a node. A container specimen sulking in a dim spot regains its fullness once it moves somewhere brighter on the terrace.
Fix:
- Cut about one-third of the oldest, thickest canes to the ground in late winter
- Head back remaining canes at varying heights just above a node to encourage branching
- Move container plants to a sunnier spot if heavily shaded
A winter border that never warms into red
Much of nandina's seasonal charm rides on its purplish-red cold-weather color, and that display only arrives with genuine sun, so a shrub set in deep shade stays flatly green through the months you most want it glowing. Giving it a brighter position, or lifting the canopy above it, brings the warmth back to the scene. A place in full sun to light shade delivers the richest tones of all.
Fix:
- Relocate or plant in a position receiving more direct sun
- Thin overhead shade where practical
Toxicity
For all its poise in a border, treat the whole plant as poison. Every part of nandina, and the berries above all, holds compounds that release cyanide when chewed or digested, and there is no safe amount for a pet, a child, or grazing livestock. The berries are especially deadly to birds, so keep animals away and weigh whether to let the shrub fruit at all.
Toxic to
Cats · Dogs · Horses · Rabbits · Livestock · Birds · People
Cats Severe
A cat that chews the leaves or berries can grow weak and unsteady within hours. Drooling, a heartbeat that races then slows, seizures, and labored breathing all point to cyanide poisoning and call for a vet without delay.
Dogs Severe
A dog that gnaws the foliage or swallows berries may stagger, vomit, and tire quickly as the cyanide takes hold. Trembling, collapse, and struggling to breathe can follow soon after, so any suspected mouthful is an emergency.
Horses Severe
Cyanide moves hard and fast through a horse. Bright red gums, quickening breath that becomes gasping, muscle tremors, and sudden collapse can arrive soon after grazing, and the course turns fatal without prompt treatment.
Rabbits Severe
A rabbit is small enough that even a little nibble carries weight. Weakness, a hunched and unresponsive posture, breathing trouble, and a rapid decline follow, so the plant belongs well out of reach.
Livestock Severe
Cattle, goats, and sheep that browse nandina can go down fast under the cyanide. Staggering, labored or gasping breaths, frothing, and collapse can set in with little warning before the animal is in serious trouble.
Birds Severe
Birds face the gravest danger of all. Cedar waxwings and others that gorge on the winter berries die of acute cyanide poisoning, often found dead with internal hemorrhage and no warning signs at all, and a heavy feeding can claim a whole flock.
People Caution
No part of nandina is food, and the berries are not safe to eat. A swallowed berry or two rarely causes serious harm in an adult, but children are far more vulnerable, so keep the fruit out of reach and call poison control if any is eaten.
Keep berries and foliage away from pets, children, and grazing animals; supervise pets around landscape plantings.
Helpline numbers
United States
ASPCA Animal Poison Control: (888) 426-4435 (fee applies)
Poison Control: (800) 222-1222
Canada
Poison Centres: 1-844-764-7669
Varieties
Most nandina offered today is one of a few named selections, and several were bred to fruit little or not at all, which sidesteps the worst of the plant's spreading and suits a considered planting. These are the ones you will meet most.
Fire Power
A compact dwarf that turns brilliant red for winter and sets little or no viable fruit, making it the safe, non-invasive choice for a tidy planting.
Gulf Stream
A neatly mounded selection sought for its strong red fall and winter color, and it produces almost no fruit.
Harbour Dwarf
A low, spreading dwarf often massed as a groundcover where a designer wants the height kept down.
Alba
An unusual selection carrying creamy white berries in place of the familiar bright red.
How to propagate
DivisionEasy
Late winter to early spring · One growing season
The most graceful way to gain another nandina is to divide an established clump in late winter or early spring, parting rooted canes together with sections of rhizome. Each division finds its feet over a single growing season.
Stem cuttingsModerate
Summer · Several weeks to a few months to root
In summer, semi-hardwood cuttings taken from the season's fresh growth offer another route. They ask for more patience than division, rooting somewhere between several weeks and a few months.
SeedModerate
Fall after fruit ripens · Slow; one or more years to germinate and reach size
Seed is possible, though slow and best set aside. Sown in fall as the fruit ripens, it may take a year or more to germinate and gain size. Because birds scatter that same viable seed and feed the plant's spread, seed sowing is discouraged anywhere nandina might slip beyond the garden.
Myths
Heavenly bamboo is a true bamboo.
The name sets a false expectation. Nandina is not a bamboo at all, but an upright, cane-forming evergreen shrub in the barberry family, Berberidaceae. Its slender canes and fine leaves simply lend it a bamboo-like air.
Nandina berries are a harmless winter food for songbirds.
For all their decorative appeal, the berries hold cyanide-releasing compounds and are far from harmless. Birds such as cedar waxwings that gorge on a heavy cluster in winter can die of acute cyanide poisoning, which is why clearing the fruit protects the wildlife around a garden.
Sources
- ASPCA Animal Poison Control Center
- NC State Extension Gardener Plant Toolbox
- Clemson Cooperative Extension Home & Garden Information Center
- University of Florida IFAS Gardening Solutions
- USDA National Invasive Species Information Center
- NIH/NCBI PMC (Journal of Veterinary Diagnostic Investigation)
- Maryland Department of Agriculture