Is Wisteria Poisonous to Dogs?

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The beautiful vines and bright flowers of the wisteria may provide an air of sophistication to any garden.

But it’s important to know which plants might be harmful to our canine and feline friends.

Wisteria’s toxicity to dogs must be taken very seriously and handled with great care. Wisteria is beautiful, but there are several dangers it poses to dogs that should be taken into account.

In this post, we’ll look more closely at what we know about wisteria and its effects on dogs’ health, so you can protect your pet.


Is Wisteria Poisonous to Dogs?

Dog owners might reconsider planting this popular plant. Wisteria seeds and pods are toxic to dogs.

Wisteria poisons cause mild to severe symptoms. Wisteria plant parts can cause vomiting, diarrhea, abdominal pain, excessive drooling, and seizures in dogs – it can kill.

Bignonia capreolata—crossvine—is a safer alternative to wisteria. Crossvine, a non-toxic flowering vine, may cover garden objects like fences. It has gorgeous trumpet-shaped flowers in red, orange, and yellow.

Crossvine is dog-safe. Your pet can safely play around with this plant.

Moreover, crossvine foliage is evergreen in warm regions (USDA zones 8a-9b), beautifying your garden year-round. Even in colder locations, the vine loses its leaves during harsh winters but grows new leaves in early spring.


Why Is Wisteria Poisonous To Dogs?

Wisteria plants are known for their beautiful, cascading flowers and lush vines. However, it is important to be aware that wisteria can be toxic to dogs. Understanding why wisteria is poisonous to dogs can help pet owners keep their furry friends safe.

Lectins and RBCs

Lectins in peas and wisteria plants fix nitrogen in the soil. Ingesting these lectins can harm dogs. Lectins can enter the circulation when dogs chew on wisteria seeds or pods. Once in the bloodstream, the lectins can cause the clotting of red blood cells, leading to potential health issues for the dog.

Glycoside Wistarin

Glycoside wistarin is also poisonous. Wisteria seeds, pods, leaves, and flowers contain this chemical.

Wistarin can cause nausea, vomiting, and diarrhea in dogs. Wistarin can also cause dehydration and central nervous system depression.

Saponins Protect Plants

Wisteria also contains various kinds of saponins throughout the plant. Saponins foam when mixed with water, hence their name from “soap” and “in.”

Plants use these chemicals to dissuade animals and insects from eating them. Saponins’ bitter taste indicates toxicity.


What Parts Of Wisteria Are Poisonous To Dogs?

The plant contains various toxic compounds, including the glycoside wisterin, which can be found in most parts of the plant. The leaves, seeds, and bark of the Wisteria plant all contain toxic compounds. These toxins can be absorbed through the skin or ingested by dogs.

As mentioned before, wisteria (all parts of it) is made up of two toxic chemicals, wisterin, and lectin. It is important to note that even a small amount of these toxic compounds can be harmful to dogs.

Is Wisteria Poisonous to Touch?

Wisteria has risks beyond consumption. Some people get skin discomfort from handling plant leaves or stems. Redness, itching, and rashes can result. Thus, it is important to wear gloves and safety gear when handling wisteria.

This is also why you should protect children and dogs from wisteria in your garden. Wisteria should be kept out of reach since curious youngsters and animals may eat it or touch it which can lead to complications. 

Thus, wisteria can be dangerous, even to touch, so educate your family and supervise them around it.


What Are The Symptoms Of Wisteria Poisoning In Dogs?

All Wisteria plant components are harmful, although symptoms differ depending on which portion was consumed. Seed pods and seeds are the most deadly, and even a few seeds can kill dogs.

The ASPCA says wisteria poisoning in dogs causes stomach complaints. These include vomiting, occasionally with blood, diarrhea, and sadness. Your dog may also get nauseous. These symptoms can escalate quickly, causing dogs to become dehydrated, confused, and collapse.

Wisteria’s lectin toxin can cause blood cells to clump and clot, causing a stroke. Wisteria poisoning in dogs is dangerous and requires emergency veterinarian attention.


If you catch your dog eating wisteria, call your vet immediately. Even if your dog has no symptoms, consult a vet.

Bring a portion of the wisteria plant your dog may have eaten to the vet. This helps the vet diagnose.

An ECG, blood count, and urinalysis are usually performed together with a physical evaluation. Your dog’s health and vital signs may require additional tests.


What Is The Treatment For Wisteria Poisoning In Dogs?

If you suspect that your furry friend has consumed any part of the wisteria plant, it is crucial to seek immediate veterinary attention. In the meantime, there are steps you can take to ensure the well-being of your beloved pet.

Contact ASPCA® Animal Poison Control Center

As soon as you suspect wisteria poisoning in your dog, it is advisable to contact the ASPCA® Animal Poison Control Center at 888-426-4435. Their team of poison control experts is available 24/7 to provide valuable information and guidance.

They will be able to offer advice specific to your dog’s situation and help you take the necessary steps while en route to the veterinarian or emergency clinic.

Seek Veterinary Assistance

Wisteria poisoning in dogs requires immediate medical care. The vet can diagnose and treat your dog.

Inform the veterinarian of the potential wisteria intake upon arrival. This helps them diagnose and treat correctly.

Inducing Vomiting

If your dog just ingested wisteria, the vet may induce vomiting to remove it. One to two hours after administration is normal. Inducing vomiting requires veterinary monitoring.

Activated Charcoal Administration

Activated charcoal can inhibit intestinal toxin absorption. Activated charcoal binds and neutralizes poisons.

This treatment is often used for plant poisoning and can help remove wisteria toxins.

Supportive Care

Your dog may need support if wisteria toxicity is severe. Intravenous fluids, medicines for vomiting and diarrhea, and vital sign monitoring may be needed.

Your dog’s veterinarian will monitor and treat them to help them recover.


Can Wisteria Kill A Dog?

Wisteria can cause vomiting and bleeding in dogs and cats. Its poisoning can also cause dehydration and collapse in animals which may result in death.

Wisteria poisoning’s red blood cell coagulation is harmful. Because it disrupts oxygen delivery, this can kill pets. Organ damage and problems may arise from the same.

Wisteria can also stress the central nervous system, causing seizures or aberrant behavior.

Are Dead Wisteria Leaves Poisonous To Dogs As Well?

Like living wisteria leaves, dead ones are toxic to dogs and cats as well. To protect your pets, remove dead wisteria leaves and other plant pieces. Remove fallen leaves from your garden or wisteria-covered area regularly.


Why Do Gardeners Like Wisteria?

Gardeners enjoy Wisteria’s colorful flowers. Its cascading purple, pink, and white blooms provide a stunning garden show. Wisteria also adds beauty and attracts bees and butterflies to pollinator-friendly gardens.

Wisteria’s Soil Improvement

Wisteria boosts soil nitrogen, which gardeners like. Legumes like wisteria work with nitrogen-fixing bacteria. These bacteria transform airborne nitrogen into plant-usable form in legume root nodules. Nitrogen fixation enriches the soil and feeds plants.

Wisteria-Free Options

Wisteria has several benefits, but some gardeners avoid it for various reasons. In some areas, wisteria is invasive and requires frequent trimming and upkeep. If not supported, its vines can harm buildings.

There are legumes that can replace wisteria and provide nitrogen-fixing advantages. Beans, peas, and alfalfa add nitrogen to the soil. These plants fit into flower and veggie gardens.

Colorful Vine Alternatives

Wisteria is not the only climbing vine with vivid blossoms. Morning glory, with its bright trumpet-shaped blooms, is popular. Clematis enhances any garden with its many flower colors and forms. Carolina jessamine and jasmine also offer beautiful blossoms and a lovely scent.

A nearby plant nursery can help you find wisteria alternatives. Nursery specialists can assist you pick plants that meet your needs while still looking good.


Prevention Tips To Prevent Your Furry Friends From Poisonous Plants

Here are some tips to prevent your furry friends from coming into contact with poisonous plants.

Keep Toxic Plants Out of Your Home and Yard

Obviously, avoiding having plants is the best method to avoid having them get into hazardous plants.

Do some reading up on which plants are harmful to animals, and don’t bring any of those into your house or onto your property.

Lilies, azaleas, tulips, daffodils, and several types of ferns are all examples of common poisonous plants. The risk of inadvertent consumption can be greatly reduced if you know what to look for in these plants.

Beware of Floral Arrangements

Your dogs may be at risk from more than simply the vegetation in your yard. Take care not to bring any flowers that might be poisonous to pets into your home.

For instance, baby’s breath is frequently used as a filler in bouquets, but it can cause stomach problems in pets if they accidentally ingest it. Before bringing floral arrangements inside, check them for poisonous plants and remove them.

Plan Your Landscaping Carefully

Picking the right plants and other landscaping features is crucial whether you have a yard or garden. whenever you have pets, it’s important to think about their safety and to avoid hazardous plants whenever possible.

Also, if you have any plants that might be harmful to animals, be sure to adequately enclose that area. Keep your dogs secure and out of harm’s way with this measure.

Pet-Proof Your Home

Keep toxic houseplants out of your pet’s reach to provide a safe indoor environment. Put them on high shelves or in hanging pots where dogs can’t get them.

Keep your pet out of the room(s) or area(s) where your plants are kept. Baby gates and other obstacles can help keep your pets safe from harm.

Non-Toxic and Artificial Plants

Find pet-friendly plants that won’t harm your furry friends. Some common houseplants that are safe for pets are spider plants, Boston ferns, and African violets.

Artificial plants are another choice for interior design. Add some greenery to your home without worrying about your dogs getting sick by using high-quality fake plants that look hyperrealistic.


Are There Any Other Plants/Flowers That Are Toxic To Dogs?

To protect our dogs, we must know which plants and flowers are harmful. Pet owners should avoid these common plants (although this is not an exhaustive list):


Amaryllis, a springtime favorite, is harmful to dogs. This plant can cause vomiting, sadness, diarrhea, drooling, stomach pain, anorexia, and tremors. Pets shouldn’t touch this plant.


Many backyards and gardens have azaleas, which are harmful to dogs.

Azalea plant parts can cause vomiting, diarrhea, low blood pressure, weakness, heart failure, coma, and even death.

Paradise Bird

Beautiful Bird of Paradise plants are harmful to dogs if eaten. Unlike Strelitzia reginae, this plant is toxic.

The Bird of Paradise plant can induce oral irritation, excessive drooling, vomiting, diarrhea, mild nausea, sleepiness, and swallowing problems in dogs. Keep pets away from this plant to avoid damage.


Daffodils’ bright colors and sweet scent make them popular garden plants. These lovely blooms are poisonous to dogs.

Daffodils can cause vomiting, diarrhea, tachycardia, seizures, and low blood pressure.


Daisy gardens and arrangements are common in many households.

Daisy consumption can harm dogs. Daisy poisoning in dogs causes vomiting, diarrhea, drooling, incoordination, and skin allergies.


Gardeners love hyacinths for their colorful and fragrant blossoms. These flowers are poisonous to dogs.

Hyacinths can give dogs severe vomiting, diarrhea, sadness, and tremors.


Despite their beautiful blossoms, iris plants are harmful to dogs. Iris rhizomes, underground stems, are its most effective portion.

Iris plant parts can cause vomiting, drooling, lethargy, and diarrhea in dogs.

Cala Lily

Indoor trumpet-shaped calla lilies are popular. Ingesting these flowers can injure dogs.

Calla lilies can induce oral irritation, tongue and lip burning, profuse drooling, vomiting, and difficulty swallowing. Calla lilies are dangerous to dogs, so avoid them.

Sago Palm

The sago palm, a typical landscaping plant, is harmful to dogs. Cycasin, a toxin in sago palm seeds and leaves can induce liver failure.

Sago palm poisoning in dogs causes vomiting, diarrhea, weakness, convulsions, and coma.


Is Wisteria Poisonous to Other Pets?

It’s worth noting that wisteria is poisonous to a variety of other animals than dogs and cats.

Wisteria’s capacity to spread its seeds and blossoms, which may float, is a major cause for worry. Fading flowers are more susceptible to being carried by the wind and landing in bodies of water.

If your pet, such as a fish or horse, has access to these water sources and tends to drink from them, they may unknowingly ingest parts of the wisteria plant, which can lead to toxicity, even death, if left untreated for long.


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