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Your backyard Perhaps a place of peace, play and vegetable life - but part of this greenery could be more dangerous than it seems. Tulips of innocent appearance with a deceptively beautiful, toxic mortal Morel plants are surprisingly common in American sites. According to the Fda and the Aspca , thousands of people and pets are poisoned each year by plants found just outside their home.

Whether you plant a new garden, you manage pets or children, or just want to stay safe while enjoying your green space, it is essential to know which plants represent a threat. Here are 15 of the most toxic backyards in America - and what symptoms to monitor in humans and animals.

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1. Lily de la Vallée

Toxic for: Humans, pets

Toxin: Convallatoxin

Symptoms: Vomiting, slowdown in heart rate, confusion

Of all the toxic plants on this list, the delicate and fragrant lily of the valley was cited most by experts.

As Amber Noyes , horticulturalist and publisher at Gardening chores Explain, each part of this plant, to the water of its vase, is toxic. The flowers themselves, however, are the most dangerous part.

The lily of the toxicity of the valley comes from cardiac glycosides and saponins present in plants.

"The severity of the symptoms, ranging from digestive disorders to cardiac arrest, depends on the amount ingested and the age of the individual," notes Noyes.

Lys, in general, are also dangerous to keep around animals . "Extremely toxic to cats, they can cause acute kidney failure if they are ingested," says Ben Hilton , founder and publisher at The gardening scheme . "They are less harmful to dogs ... but can always cause digestive upheavals."

2. Oleander

Toxic for: Humans, dogs, cats, horses

Toxin: Oleandrine

Symptoms: Nausea, vomiting, irregular heart rate and potentially deadly heart effects

Known for its striking flowers in summer, the oleanous plant also has a fatal secret: each part of it is very toxic.

According to a 2010 study published in Heart views , parts of the oleanist plant contain cardiac glycosides, compounds that can cause acute heart toxicity and digestive problems. Those who ingest the plant can also suffer from symptoms that range from an erratic pulse to a coma.

Julia Omelchenko , resident botany expert for Natureid application , suggests wearing gloves if you are going to plant oleanism because it can irritate the skin.

3. Rhododendron

Toxic for: Humans, pets

Toxin: Gray

Symptoms: Vomiting, low blood pressure, heart problems, coma

Rhododendron, a family of plants that includes azaleas, is another magnificent and colorful flower that is not as beautiful as it looks.

"All of his pieces contain a highly toxic neurotoxin called Andromedotoxin, also known as Grayanotoxin," explains Omelchenko. "If it is ingested, it can cause vomiting, abdominal pain, cardiovascular problems and even death."

She adds that the rhododendron is also very toxic to pets and pets, such as cats, dogs, goats, sheep and cattle.

4. HONEYSUCKLE

Toxic for: The berries (not flowers or nectar) are toxic to humans, dogs and cats

Toxin: Cyanogenic saponins and glycosides (in small quantities)

Symptoms if it is ingested in quantity: Nausea, vomiting, diarrhea

When hot weather strikes, goat goats can be one of the sweetest and happiest plants - do not approach their berries.

"The whole honeysuckle is toxic, but the berries represent the greatest threat, especially for young children," explains Noyes. “For children under the age of three, consumption of only two to three bays can cause severe poisoning. For adults, the critical number reaches 30 bays. ”

Symptoms of honeysuckle poisoning include vomiting, diarrhea, abdominal pain, perspiration, dizziness, fever, convulsions or a quick heart rate, she says.

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5. Donquille

Toxic for: Humans, dogs, cats

Toxin: Lycorine

Symptoms: Nausea, vomiting, abdominal pain, heart problems (in large quantities)

If you are looking for help quickly, ingesting rods will not kill you. However, according to the National Capital Poison Center (NCPC), ingestion can be fatal for small children and pets if it is not treated.

And while all parts of a daffodil contain toxic chemical lycorine, it is the oxalates - or toxic chemicals found in the bulb of the plant - which does the most damage to your body.

According to Hilton, symptoms include vomiting, diarrhea, abdominal pain and heart problems.

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6.

Extremely Toxic for: Humans, pets

Toxin: Abrine

Symptoms: Nausea, vomiting, diarrhea, severe abdominal pain, insufficient organ, death by multi-organization failure or circulatory collapse (in serious cases)

Originally from tropical areas and often found in Florida, the rosary is considered one of the most invasive and toxic plantar species.

According to the Centers for Disease Control and Prevention (CDC), the plant seeds contain the toxin heaps. And it turns out that there is enough heap in a single seed to kill you downstream.

The University of Florida Aquatic and invasive center of plants Note that birds seem to be sheltered from the toxicity of the plant and, therefore, "they easily disperse the pea seeds of the rosary".

They also explain that it is so named because "the seeds of this plant are so uniform of size and weight that they are used ... to make jewelry, including rosaries".

7. Rhubarb

Toxic for: Humans, dogs, cats and horses

Toxin: Oxalic acid and anthraquinone glycosides

Symptoms: Nausea, vomiting, diarrhea, difficulty breathing, convulsions or kidney failure (in serious cases)

Of course, it makes a killer pie, but ingest large amounts of rhubarb leaves can In fact kill you.

"The leaves contain oxalic acid, which is toxic to humans and pets if consumed in large quantities," said Hilton. "This can cause a burn from the mouth, the throat and the digestive system, and can cause kidney problems."

Fortunately, experts at the University of California, Santa Clara notes that you should eat it 12 pounds rhubarb to really get sick.

8. Plant of Ringan Bean

Toxic for: Humans, pets

Toxin: Ricin (extremely powerful)

Symptoms: Abdominal pain, vomiting, severe diarrhea, organic insufficiency

The Rine bean plant is a large rapid growth shrub. Its seeds (or beans) are used to make castor oil , which is an ingredient in skin care and laxative Webmd . However, raw seeds are not at all safe.

Gene Caballero , co-founder of Greenpal , note that all parts of the plant, but especially the seeds, contain the very powerful ricicin toxin.

"Ricin can cause serious vomiting, diarrhea, dehydration, organic insufficiency or dead if it is ingested by humans or animals," he said. "Even a seed can be fatal for a child or pet."

Hilton adds that it is generally safe to touch but can cause skin irritation in some people.

9. Devil's helmet

Extremely Toxic for: Humans, animals

Toxin: Aconitine, a neurotoxin

Symptoms: Burn in the mouth, vomiting, diarrhea, muscle weakness, cardiac arrhythmias can be fatal in a few hours due to respiratory or heart stop

Also known as Aconite, Wolf’s Bane or Blue Rocket, the helmet of the Devil produces magnificent blue-Violet flowers. However, in 2014, a The gardener died After simply rubbing against a plant. And believe it or not, the outside of the plant is not even its most toxic part.

"Pleasant, each part of the aconite plant is toxic, the roots being particularly powerful," shares Nucy. "As little as three grams can cause death if they are ingested, and even contact can cause severe poisoning. Therefore, it is essential to wear gloves when handling this plant."

This plant is worryingly nicknamed "vegetable arsenic", adds Noyes. "In ancient times, it was used to poison hunting tools and drinking water."

10. Colchicum

Toxic for: Humans, pets

Toxin: Colchicine

Symptoms: Gastrointestinal distress, renal and hepatic lesions

Colchicum, also known as autumn crocus, meadow saffron or bare ladies, is another plant that produces purple and vibrant flowers.

"However, its alternative name," Dog Killer ", suggests the dark side of this plant - all varieties of colchicum are toxic, which makes it fatal for humans and animals if they are ingested," explains Noyes.

“Each part of colchicum is toxic, including the leaves, flowers, seeds and roots. The plant produces colchicine, a highly toxic alkaloid with mutagenic properties, ”she explains.

"If it is ingested, Colchicum can cause serious digestive disorders, including intense stomach pain, vomiting and persistent diarrhea, which can cause serious dehydration," adds Noyes. "This can lead to a dangerous drop in blood pressure, potentially causing a cardio-respiratory arrest."

"Other serious complications, such as liver and blood cell damage, can follow," she said. "Death can occur up to 10 days after consumption of the plant."

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11. Deadly Nightshade

Extremely toxic for : Humans, animals

Toxins: Atropine, scopolamine and hyoscyamine

Symptoms: Dilated pupils, dry mouth, hallucinations, quick heart rate, convulsions, coma, death possible

Unsurprisingly, the deadly Nightshade plant is, well, fatal. It belongs to the Solanaceae family, which also includes tomatoes, eggplant, potatoes, peppers and tobacco, according to Webmd .

All these plants contain variable quantities of alkaloids, they explain, but the levels found in common vegetables are considered safe for consumption (you must eat approximately 12 whole eggplants to feel sick).

But the Morelle plant (also known as Belladonna) has a high concentration of alkaloids in its stems, its leaves, its roots and, in particular, the berries. Even rub against this can irritate the skin, according to the Royal Horticultural Society .

The ingestion of berries "can cause vomiting, diarrhea, headache, confusion and even paralysis or death if consumed in large quantities," explains Caballero. It would only take two bays of this plant to kill a child and between 10 and 20 to kill an adult.

And as Omelchenko notes, even the leaves and shoots of tomatoes and eggplants are toxic to humans and animals.

12. The devil's trumpet

Toxic for: Humans, pets

Toxin: Tropane alkaloids

Symptoms: Delirium, hallucinations, fast heart rate, crises

The devil's trumpet, officially known as Datura and also called Jimsonweed or (ironically) Angel's trumpet, is another member of the Solanaceae family. It is a tropical plant known for its beautiful flowers in the shape of a trumpet. And although it is aesthetically pleasant, the last thing you would like to do is discover what it has a taste.

"All parts of the plant are toxic, and ingestion can cause hallucinations, confusion, rapid heart rate and even coma or death", "," Benita Middleton , chief in chief at Benita’s Garden Services , tell Best life .

As a 2008 case report published in Pediatrics and infant health Details in the summer of 2006, four teenagers were hospitalized after ingesting Datura.

"The four patients had a decrease in the level of consciousness measured by the Glasgow coma scale, visual hallucinations, dilated students and agitation," said the report. "The changes in the mental state are characteristic of delirium." With appropriate medical care, they all reappeared.

13. Of

Toxic for: Humans, dogs, horses

Toxin: Taxine

Symptoms: Sudden heart failure, especially if needles or seeds are ingested

In ancient cultures, IF is also called "the tree of death" because it was used as an offering to the gods of death. And there is a reason why: according to Cornell University Department of Animal Sciences , IF factory, found in everyone in the world, is dangerously toxic.

No matter how you consume the plant, its toxins have the potential to cause heart arrhythmia and stop your heart completely. Animals that eat the plant are often died next to it only 24 to 48 hours after consumption.

14. Sago Palm

Toxic for: Dogs, cats, humans

Toxin: Cycasine

Symptoms: Hepatic insufficiency, vomiting, crises

Strangely, the Sago Palm is not a member of the Palm family; This is part of the family with persistent leaves of Revoluta Cycas. And although it is a charming and easy to cultivate inside plant or an outdoor plant, it is quite dangerous.

"All parts of this plant are toxic to pets, especially dogs, due to a toxin called Cycasine," said Hilton. "If it is ingested, it can cause vomiting, liver insufficiency and death. It can also be harmful to humans if it is ingested, but this is less common. ”

15. Foxglove

Toxic for: Humans, pets

Toxin: Heart glycosides

Symptoms: Dizziness, nausea, cardiac arrhythmias

According to Hilton, the Foxglove factory produces Digitalis glycosides, which, like the Cleveland clinic Explain: "Included in] the drugs that people have for heart failure, atrial fibrillation and atrial float."

By ingesting fox digital, you "take an unregulated dose of heart medicine", which can, ironically, cause heart failure, adds the NCPC .

"The leaves, seeds and flowers of this plant are all dangerous if they are consumed by humans or pets," explains Hilton. As such, you should keep this plant away, far from children and animals.

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16. Snaker White

Toxic for: Humans, animals

Toxin: Tremetol, which can cross milk from pasture animals

Symptoms: In humans, tremors, vomiting, coma, "milk disease"; in animals, tremors, weakness, death

Ageratina altissima, or white snakeot, is a toxic herb found in North America which contains a toxic alcohol called Tremetol. But how much is this plant toxic?

Well, at the time when explorers set up for the first time Indiana and Ohio at the beginning of the 19th century, it is estimated that Until half of their death - including that of Abraham Lincoln mother, Nancy Hanks Lincoln - was caused by indirectly ingestion of white snakeot.

Livestock and other cattle in the region would eat the apparently benign grass and pass toxic Trémetol to humans via their milk. The disease was known as mortal milk evil.

Although it is rare today, "humans who have ingested toxins by drinking cows milk that ate the plant displayed weakness, muscle spasms, vomiting, constipation, thirst, delirium and coma", according to the Missouri conservation department .

17. American pokeweed

Toxic for: Humans, animals

Toxins: Phytolaccatoxin and phytolaccigenine

Symptoms: Nausea, vomiting, difficulty breathing, respiratory paralysis or dead in high doses

American Pokeweed is in Almost all areas of the United States , except for a few states in the northwest region. And while the plant produces a purple black bay known as Pokeberry, the last thing you would like to do is eat one.

According to the NCPC , consumption can cause everything, nausea and vomiting at low blood pressure. If you have children, be sure to monitor them when they play in your court, because the NCPC notes that young people often confuse these berries with grapes.

18. Wisteria

Toxic for: Humans, pets

Toxin: Wisterin lectin and glycoside

Symptoms: Nausea, vomiting, diarrhea, abdominal pain

Regarding dangerous plants in your garden, glycine is one of the worst. According to a case study of the Medical Center of the Santa Clara Valley , The yife plant can cause headache, gastroenteritis, hematis, dizzy, confusion, diaphoris and, scary, syncopal episodes (or temporary drops from blood flow to the brain which causes loss of consciousness and muscles control).

These symptoms generally last five to seven days after eating more than a few bays of the plant-if they don't kill you, that is to say.

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19. Hamlock of water

Extremely Toxic for: Humans, animals

Toxin: Coniine

Symptoms: Muscle paralysis, respiratory failure

If you know something about the pluche to water, it is likely that you know the pretension of the factory: kill Socrates .

According to the United States Department of Agriculture (USDA), this plant contains toxin cicutoxin, which, once ingested, acts directly on the central nervous system. In the most extreme cases, this could lead to convulsions and the death of great evil.

"[Cicutoxin] is mainly found in tubers, but is also present in leaves and stems during early growth," explains the USDA. “The leaves and stems lose most of their toxicity as they ripen; However, the heads of green seeds are toxic. ”

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20. Hortensia

Toxic for: Humans, pets

Toxin: Cyanogenic glycosides

Symptoms: Nausea, vomiting, diarrhea, lethargy

Regarding the toxic nature of the popular hydrangea plant, only floral pimples are really harmful when ingested, according to the Information installation on Canadian biodiversity .

If they are consumed, humans can feel stomach aches, skin irritation and, in more serious cases, convulsions and coma.

21. Tulip

Toxic for: Humans, dogs, cats

Toxins: Tulipaline A and B

Symptoms: Nausea, drool, stomach aches, skin contact dermatitis with a bulb arm

Tulips can make your garden shine, but they also have the potential to poison your pet.

According to the Aspca , this plant is toxic to dogs, cats and horses in its bulb in particular, and ingestion symptoms range from vomiting and diarrhea to hypersalivation and depression.

The NCPC also explains a condition known as " Tulip fingers ", An irritating rash that can occur after manipulation of tulips." A chemical called tulicoposide is responsible for this reaction. It is mainly found in the external layers of tulip bulbs ", they explain." After repeated exposures, the reactions of the skin was getting worse and a painful rash can occur. This rash can affect both the fingers and the area around the nails. »»

22. English Ivy

Toxic for: Humans, pets

Toxin: Saponins triterpanoids

Symptoms: Skin irritation, difficulty breathing, stomach aches

You can covet this old house with an English Ivy who hangs out its facade, but your home without ivy may well be safer.

"This common vine is toxic to pets and humans if it is ingested due to saponins," said Hilton. “This can cause vomiting, abdominal pain, hypersalivation and diarrhea. The plant can also cause skin irritation if it is affected. ”

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23. Ivy de poison

Toxic for: Humans

Toxin: Urushiol oil

Symptoms: Itching, puffed rash (contact dermatitis), severe smoke inhalation reactions in the event of a burn

We probably didn't have to tell you that Poison Ivy is toxic.

In addition to poisoned oak and poison sumac, it causes "allergic contact dermatitis, a skin reaction that results from the touch of the oil of the plant called Urushiol", explains Caballero. "Symptoms include itching, redness, swelling and blisters that can last for weeks."

"These plants can be found in various regions of North America and have different shapes of leaves and colors depending on the season," he adds.

And like the Mayo clinic Prevents: "Even the smoke of the burning of poison, poison oak and poison sumac can irritate or harm your nasal passages or lungs." This can cause difficulty breathing.