7 plants that are toxic to dogs

Pets are beloved companions and treasured members of our families. Dogs, in particular, hold a special place as our friends and capable helpers. As responsible pet owners, it is our duty to ensure their safety and protect them from any harm. Unfortunately, our gardens, while beautiful and serene, can sometimes harbor hidden dangers. There are several plants commonly found in gardens that can pose a serious threat to our canine companions if ingested. In this article, we will explore 7 such plants. By being aware of these plants and their potential risks, we can take proactive measures to safeguard our furry friends and create a safe environment for them to live their best lives.

Sago Palm (Cycas revoluta)

Ranking at the top of the list is the Sago Palm, a popular ornamental plant known for its striking appearance. Despite its allure, this plant contains toxic compounds, especially in its seeds, that can be extremely harmful to dogs if ingested. The toxins can cause severe liver failure and neurological symptoms, making it a highly dangerous plant to have around our canine companions.

Lily of the Valley (Convallaria majalis)

While the Lily of the Valley may enchant us with its delicate bell-shaped flowers and sweet fragrance, it holds a sinister secret. All parts of this plant, including the flowers, leaves, and stems, contain cardiac glycosides that can have a devastating impact on a dog's heart.



Ingestion of even small amounts can lead to serious cardiac issues and should be treated as a medical emergency.

Tulip and Narcissus bulbs (Tulipa and Narcissus species)

The vibrant and colorful blooms of tulips and narcissus bulbs are a common sight in gardens, heralding the arrival of spring. However, it is important to exercise caution as the bulbs of these plants contain toxic compounds, such as alkaloids, that can cause gastrointestinal upset, drooling, and even more severe symptoms if consumed by dogs.

Oleander (Nerium oleander)

With its beautiful blossoms and evergreen foliage, the Oleander adds a touch of elegance to many gardens. However, this plant harbors a potent toxin called oleandrin, which affects the heart and can cause cardiac abnormalities, vomiting, and even death in dogs.



All parts of the plant, including the leaves, flowers, and stems, should be kept out of reach to prevent accidental ingestion.

Yew (Taxus species)

Yews are commonly used as hedges or ornamental shrubs in many gardens due to their lush greenery and ability to withstand harsh conditions. However, the entire yew plant, including the leaves, seeds, and bark, contains a toxic substance called taxine, which can cause severe gastrointestinal distress, tremors, and even cardiac issues if ingested by dogs.

English Ivy (Hedera helix)

Known for its ability to climb and add a touch of green to walls and fences, English Ivy is a popular choice for gardeners. However, this vine-like plant can be toxic to dogs if chewed or ingested.



The leaves of English Ivy contain a variety of toxins, including triterpenoid saponins, which can cause vomiting, diarrhea, and skin irritation.

Daffodil (Narcissus species)

Bright and cheerful, daffodils are a classic spring flower that symbolizes renewal and new beginnings. However, the bulbs of daffodils contain toxic alkaloids, particularly in the outer layers, that can cause gastrointestinal upset, drooling, and, in some cases, more serious symptoms if ingested by dogs.



While this article provides valuable information about these toxic plants, it is essential to remember that prevention is the best approach. As responsible pet owners, it is crucial to ensure a safe environment for our dogs by removing or avoiding these plants in our gardens. If you suspect your dog has ingested any part of a toxic plant, seek immediate veterinary attention. By being aware of the potential risks and taking proactive measures, we can protect our four-legged friends and ensure their well-being in our gardens and homes.
And if you're unsure about the type of plant growing in your plot, you can easily identify it using the Plant Identifier feature, access detailed information from the Plant Profile, or simply consult your trusty Green Thumb Henry assistant.