Nandina

A popular evergreen landscape shrub that's actually an invasive with cyanide-laced red berries known to kill cedar waxwings and other birds. Never plant it; this entry is for identifying and controlling it.

How to recognize it and why never to plant it: an evergreen, cane-forming, lacy-leaved shrub (not a true bamboo) with white spring flowers and toxic red winter berries, spreading by seed and root suckers.

You should never plant nandina - recognizing it is what counts. It's an evergreen shrub with erect, largely unbranched, bamboo-like canes and large, lacy, twice- to thrice-divided (bi- to tripinnate) compound leaves of many pointed leaflets, which often flush red or purple in cool weather. In late spring it bears loose upright sprays of small creamy-white flowers, followed through fall and winter by showy clusters of bright red berries. Remember: 'heavenly bamboo' is not a bamboo - it's a barberry relative - but the cane-and-lacy-leaf look is distinctive.

It's a successful invader because it's tough and shade-tolerant: it grows in sun to fairly deep shade, tolerates a range of soils and drought, and needs little care, which is exactly why it was planted so widely. It spreads by bird-dropped seed (the persistent berries are eaten in winter and carried into woodlands) and by root suckers that expand each clump. Understanding this - shade-tolerant toughness, bird-spread seed, and suckering spread, on top of the toxic berries - is exactly why it belongs in the 'never plant' category, and why native evergreen shrubs are the better choice.

How it spreads - and why it's persistent: bird-dropped seed from the toxic red berries carries it into woodlands, while root suckers expand each clump and it resprouts from the roots when cut.

Nandina spreads two ways. By seed: its bright red berries persist into late winter and are eventually eaten by birds (sometimes fatally), which carry the seed into woodlands and edges, founding new plants away from any garden. By root suckers: established clumps spread underground, sending up new canes to widen the clump over time.

That suckering, plus the shrub's habit of resprouting from the roots when cut, is why simply cutting it down doesn't kill it. Effective control has to remove or kill the roots - digging out clumps and suckers, or cutting and treating the cut stems/stumps with herbicide and treating regrowth - and to stop the seed by removing the berries. Because the berries both poison birds and spread the plant, deadheading the berry clusters is a useful early step even before you remove the whole plant. Follow up on suckers and seedlings for a season or two to finish the job.

Control, not care: remove the toxic berry clusters immediately to protect birds, dig out clumps and suckers, cut-stump-treat or foliar-treat regrowth (it resprouts), and replant with native evergreen shrubs.

For nandina, 'care' means removal - and a uniquely useful first step is to cut off and bag the berry clusters, which immediately reduces the bird-poisoning risk and stops seed spread, even before you tackle the whole plant. To remove the shrub, dig out clumps and root suckers, getting the roots, and pull seedlings when the soil is moist. For established clumps too big to dig, cut the canes and treat the cut stems/stumps with herbicide (cut-stump treatment) or treat the leafy regrowth with a foliar herbicide - cutting alone lets it resprout from roots and suckers.

Keep the toxic berries away from pets and dispose of them properly (never dump them where birds or animals can reach them), wear gloves, and follow up on suckers and seedlings for a season or two. Then replant with native evergreen shrubs that give similar structure and winter interest without the invasion or the poison - Virginia sweetspire, inkberry holly, dwarf yaupon holly, native viburnums, or wax myrtle. For a shrub this common, removing it and swapping in a native is one of the easiest, highest-impact wildlife-friendly changes you can make in a Southern yard.

Never a food - its berries are cyanide-laced and toxic to birds and pets. Ecologically its impact is doubly negative: it displaces natives and its persistent berries actively poison the birds that eat them.

Nandina is never a food - it's toxic. Its bright red berries contain cyanide-producing compounds and are poisonous to birds, cats, dogs, and livestock; the foliage is toxic too. This is a plant to keep away from pets, not to harvest.

Ecologically, its impact is doubly negative. Like other invasive ornamentals, it displaces native plants, spreading into woodlands and edges and crowding out the native shrubs and wildflowers that support wildlife. But nandina adds a cruel twist: its berries don't just fail to nourish wildlife, they actively poison it. In late winter, when other food runs low, flocks of cedar waxwings and other birds sometimes strip a nandina of its persistent berries and die of cyanide poisoning - a well-documented and heartbreaking outcome. So unlike a native berry shrub that safely feeds birds through winter, nandina is a food-web trap. The meaningful 'nutrition' story is stark: nandina harms the very wildlife a berry shrub should feed, which is why removing it (and its berries) and planting safe natives is such a worthwhile swap.

Introduced from eastern Asia as a tough, ornamental evergreen prized for its lacy foliage and red winter berries, nandina became a Southern landscape staple - and then a recognized invasive with a wildlife-poisoning problem.

Nandina was introduced to Western horticulture from eastern Asia (where it has long been an ornamental and symbolic plant in China and Japan) and became enormously popular as a tough, low-care evergreen shrub - valued for its lacy, bamboo-like foliage, colorful winter leaves, and long-lasting red berries, and used everywhere from foundation plantings to holiday decorations. It remains one of the most widely sold landscape shrubs in the South.

Its status has since shifted. As it escaped into woodlands via bird-spread seed and became recognized as an invasive across the Southeast, and as reports accumulated of its cyanide-laced berries killing cedar waxwings and poisoning pets, nandina moved onto invasive-plant and wildlife-hazard lists, and many gardeners and organizations now urge against planting it (or at least removing the berries). Its story is a familiar one with an extra sting: a beautiful, tough, beloved ornamental that turned out to be both invasive and actively harmful to wildlife - a strong reminder that 'attractive and easy' says nothing about whether a non-native plant belongs in the landscape.

Confirm it (evergreen bamboo-like canes, lacy compound leaves, white spring flowers, toxic red winter berries - not a true bamboo), remove the berries to protect birds, dig out clumps and suckers, and replant natives.

Is this nandina? Look for an evergreen shrub with erect, largely unbranched bamboo-like canes; large, lacy, twice- to thrice-divided compound leaves (often red-flushed in cool weather); loose sprays of small white flowers in late spring; and showy clusters of bright red berries through fall and winter. It's not a true bamboo. Are the berries really dangerous? Yes - they contain cyanide compounds and have killed cedar waxwings and other birds, and they poison pets; removing the berry clusters is a valuable immediate step. How do I remove the plant? Dig out clumps and root suckers (get the roots); for large clumps, cut and treat the cut stems/stumps with herbicide, or foliar-treat regrowth - cutting alone lets it resprout. Why does it keep coming back? It suckers and resprouts from the roots - follow up for a season or two. Is it really invasive if it's in my yard? Yes - birds spread its seed into woodlands well beyond your garden. What should I plant instead? Native Virginia sweetspire, inkberry, dwarf yaupon, native viburnums, or wax myrtle.

Worst across the warm Southeast (roughly zones 6-10), invading woodlands and edges thanks to its shade tolerance and evergreen persistence; broadly hardy and adaptable, it escapes wherever it's widely planted.

Nandina is most invasive across the warm Southeast (roughly zones 6-10), where mild winters keep it evergreen and its persistent berries feed (and poison) birds through the cold months. Its key advantage is shade tolerance combined with evergreen persistence: it can establish and spread in the shaded understory of woodlands, not just open ground, which lets it invade forest interiors and edges that many sun-loving invasives can't. It also tolerates a wide range of soils, drought, and neglect.

It's broadly cold-hardy, so it persists and can spread well north of its worst-impact zone wherever it's commonly planted. Because its spread is driven by birds carrying seed into natural areas, even a tidy garden plant contributes to the wild invasion. Wherever you are in its range, the guidance holds: never plant it, learn to recognize its cane-and-lacy-leaf form and red winter berries, and remove existing plants (and at minimum their berries) - protecting birds from the poison and woodlands from the invasion, and replacing it with a safe native evergreen shrub.