Deadly nightshade, scientifically known as Atropa belladonna or belladonna, is one of Britain’s most toxic wild plants. Gardeners and foragers frequently ask if Deadly Nightshade is poisonous to touch and how to identify or remove it safely. This comprehensive guide covers everything you need to know for UK gardens and countryside.
Detailed Identification: What Does Deadly Nightshade Look Like?
Atropa belladonna is a bushy perennial herb that grows 50–150 cm tall (occasionally up to 2 m) with reddish-purple stems.
- Leaves: Large, oval to pointed, smooth-edged (untoothed), alternate arrangement, pale green with prominent veins.
- Flowers: Drooping, bell-shaped, dull purple with greenish veins, 2.5–3 cm long, appearing June–September.
- Berries: Shiny black, cherry-sized (about 1.5 cm), with a persistent star-shaped calyx (sepals) at the base. They ripen from green to black in late summer.
It thrives on chalky (calcareous), disturbed soils, woodland edges, hedgerows, scrub, and roadsides — primarily in central and southern England, rarer further north.
Look-Alikes and Common Confusions
- Black nightshade (Solanum nigrum): Smaller white flowers, smaller black berries in clusters, annual habit.
- Woody nightshade / Bittersweet (Solanum dulcamara): Climbing habit, purple star-shaped flowers with yellow centres, bright red berries.
- Bilberries / Blueberries: Low-growing shrubs with different leaf and flower structure.
Always check the star-shaped calyx on berries and the bell-shaped flowers for confirmation.
Is Deadly Nightshade Poisonous to Touch?
Yes, all parts of the plant — leaves, stems, roots, flowers, and especially berries are poisonous to touch — contain powerful tropane alkaloids (atropine, hyoscyamine, and scopolamine). These are anticholinergic toxins that disrupt the nervous system.
- Touch / Skin Contact: Generally low risk for systemic poisoning through unbroken skin, but handling can cause dermatitis, irritation, or rashes in sensitive individuals, especially if sap enters cuts or eyes. Always wear gloves. Never burn the plant, as toxic fumes can be inhaled.
- Ingestion is the real danger: Even a few berries can be fatal, particularly for children and pets. Roots are often the most toxic part.
Symptoms of Deadly Nightshade Poisoning
Symptoms appear quickly (within hours) and include:
- Dilated pupils (“blind as a bat”), blurred vision, sensitivity to light
- Dry mouth and throat (“dry as a bone”), difficulty swallowing
- Rapid heartbeat, flushed skin (“red as a beet”), fever (“hot as a hare”)
- Hallucinations, confusion, delirium (“mad as a hatter”)
- Urinary retention, constipation
- In severe cases: seizures, coma, respiratory failure, and death
Action: Seek immediate medical help (call 999 or NHS 111). Antidotes include physostigmine. Do not induce vomiting without advice.
How to Get Rid of Deadly Nightshade?
- Wear full protective clothing (gloves, long sleeves, trousers, boots, eye protection).
- Dig out the entire plant, including the deep, fleshy taproot.
- Bag everything securely and dispose of in general household waste (not green waste or compost).
- Clean tools thoroughly with a 10% bleach solution.
- Monitor the site for regrowth and mulch heavily to suppress seedlings.
Herbicides are rarely needed and should be a last resort.
Why Correct Disposal Is Critical
Deadly nightshade toxins are extremely stable and do not break down easily.
- Composting is dangerous: Alkaloids can persist in incomplete home compost heaps, potentially contaminating soil or future plants. Animals or children could still access material.
- Burning releases toxins: Inhaling smoke can cause poisoning.
- Leaving roots behind: The plant regrows vigorously from remaining root fragments.
- Risk to wildlife/pets: Berries remain attractive and toxic even after the plant dies.
What are the Symptoms of Deadly Nightshade Poisoning?
The symptoms of Deadly Nightshade poisoning can vary depending on the amount ingested but typically include dilated pupils, dry mouth, flushed skin, rapid heartbeat, and confusion. In severe cases, the symptoms can progress to seizures, hallucinations, and coma. It is important to seek medical attention immediately if you suspect someone has ingested Deadly Nightshade.
Other Plants You Didn’t Know Were Poisonous
Benefits and Uses of Deadly Nightshade
Atropine, which is derived from Deadly Nightshade (Atropa belladonna), is used in modern medicine to treat a variety of conditions. Some of the medical uses of atropine include:
Treating Bradycardia
Atropine is also used to treat bradycardia, which is a condition where the heart beats too slowly. Atropine works by blocking the action of the vagus nerve, which slows down the heart rate.
Reducing Secretions
Atropine can be used to reduce secretions during surgery, such as saliva, mucus, and sweat. This helps prevent complications during surgery, such as the aspiration of secretions into the lungs.
Antispasmodic
Atropine can be used as an antispasmodic to relax smooth muscle in the gastrointestinal tract, making it useful in treating conditions like irritable bowel syndrome.
Note: While atropine can be a useful medication, it can also have side effects, especially in high doses. These side effects can include dry mouth, blurred vision, constipation, difficulty urinating, confusion, and even hallucinations.
Dilating Pupils
Atropine is used by ophthalmologists to dilate the pupils during eye exams, making it easier to examine the eye’s interior.
Traditional Uses of Deadly Nightshade
Deadly Nightshade has also been used for a range of traditional purposes, such as a cosmetic to dilate the pupils, a poison for hunting and warfare, and a hallucinogen for spiritual and religious rituals.
Cosmetics
In ancient times, Deadly Nightshade was used as a cosmetic to dilate the pupils, making the eyes appear larger and more attractive. Women would use extracts of the plant to create a cosmetic known as belladonna, which means “beautiful lady” in Italian. However, this practice is extremely dangerous and can lead to blindness or other severe eye damage.
Hunting and Warfare
In some cultures, Deadly Nightshade was used as a poison for hunting and warfare. Hunters would smear the plant’s juices on their arrows or spears to poison their prey, while warriors would use it to poison their enemies.
Hallucinogenic and Spiritual Use
Deadly Nightshade has also been used as a hallucinogen for spiritual and religious rituals. Shamans and medicine men in various cultures would use the plant to induce visions and altered states of consciousness, believing that it would allow them to communicate with the spirit world.
Note: Deadly Nightshade has been used for these purposes in the past, they are all extremely dangerous and should never be attempted without the supervision of a trained professional.
How to Handle Deadly Nightshade Safely?
To avoid the risk of poisoning, it is important to handle Deadly Nightshade with care. If you need to dispose of Deadly Nightshade, it is important to do so safely and responsibly. Whilst wearing gloves, the plant should be shredded and added to your compost heap.
Conclusion
Deadly Nightshade is a fascinating but dangerous plant that has a long history of use for both medicinal and toxic purposes. The plant contains tropane alkaloids that can cause a range of symptoms, including hallucinations, delirium, seizures, and death. However, the plant has also been used for its medicinal properties and has been an important part of traditional cultures throughout history. While Deadly Nightshade can be toxic and potentially lethal, it can also have beneficial uses when used properly and in the right doses. It is important to handle the plant with care and to seek medical attention immediately if poisoning is suspected. As with any substance, the key is to use Deadly Nightshade responsibly and with caution.
Garden Doctor Tips
“Do not eat or drink any part of the Deadly Nightshade plant, including the berries or leaves!”
“Keep Deadly Nightshade plants out of reach of children and pets!”
“Wash hands thoroughly after handling Deadly Nightshade, especially before eating or drinking!”
“If you suspect someone has ingested Deadly Nightshade, SEEK MEDICAL ATTENTION IMMEDIATELY!”
Frequently Asked Questions
What does deadly nightshade do to you?
Ingesting any part of the plant can cause a range of symptoms, including dilated pupils, blurred vision, dry mouth, difficulty swallowing, nausea, vomiting, abdominal pain, confusion, hallucinations, seizures, and even coma. These symptoms can be life-threatening and require immediate medical attention.
How common is deadly nightshade in the UK?
Deadly nightshade is not very common in the UK, but it can be found in certain parts of the country, particularly in woodland areas and hedgerows. It is classified as an invasive species, meaning that it is not native to the UK but has been brought over from other parts of the world.
How deadly is deadly nightshade?
Deadly nightshade is extremely toxic and can be lethal in small doses. All parts of the plant contain toxic alkaloids, with the highest concentration found in the berries. Ingesting just a few berries can be fatal, particularly in children. It is important to avoid handling or ingesting any part of the plant and to seek medical attention immediately if exposure occurs.
Does deadly nightshade grow in the UK?
Yes, deadly nightshade does grow in the UK, although it is not very common. It is mostly found in the southern and eastern parts of the country, particularly in woodland areas and hedgerows.
What to do if touched deadly nightshade?
If you come into contact with deadly nightshade, it is important to wash the affected area with soap and water immediately. If you experience any symptoms such as skin irritation or an allergic reaction, seek medical attention. It is best to avoid touching the plant altogether and to wear gloves if handling it is necessary.
Can Deadly nightshade be composted?
Yes, deadly nightshade along with many other toxic plants can be composted. The toxins contained in the plant will break down during the composting process.
Author
Trevor Wright is not just a seasoned horticulturist; he’s the esteemed Garden Doctor. With a BSc in Horticulture and years of hands-on experience in the soil, Trevor has become a trusted mentor for all things gardening. As the founder of Garden Doctor, he’s committed to clarifying the intricacies of gardening, offering straightforward advice that’s rooted in years of practice. His writing is a garden of how-tos, savvy insights, and comprehensive guides that enable individuals to nurture and grow their garden dreams. When he’s not knee-deep in garden beds, Trevor is at his keyboard passing on his green-thumbed wisdom to budding gardeners, ensuring that the legacy of sustainable and joyful gardening blossoms far and wide.
