Skip to Content

10 Common House Plants That Are Deadly To Pets and Some Safer Alternatives


Houseplants can brighten your living space and add a touch of nature indoors, but some popular plants may pose serious risks to your pets. Many of the most common houseplants are toxic, and even a small bite can lead to significant health issues, ranging from mild discomfort to life-threatening conditions. However, the good news is that there are plenty of safer alternatives that can keep your home green whilst also ensuring your pets stay healthy. In this article, we’ll explore the top 10 toxic plants to avoid and offer pet-friendly substitutes to keep your home both beautiful and safe.

1. Lilies: Stunning but Dangerously Toxic to Cats

lilies
White amaryllis lilies. Image by Tomas Williams via Pexels

Lilies are undeniably beautiful, making them a popular choice for homes and gardens, but they are highly toxic to cats. Even if a cat only comes into contact with a small amount of lily pollen or chews on a single petal, it can cause severe kidney failure, which is often fatal. Symptoms of lily poisoning can appear within hours and include vomiting, lethargy, and loss of appetite. Due to the high risk, it’s best to avoid lilies entirely if you have cats. As a safer alternative, consider keeping orchids or roses—both are lovely and pose no harm to your feline friends.

2. Aloe Vera: Beneficial for Humans, Harmful to Pets

aloe
Closeup of an aloe on the windowsill. Image by Florin G Daniel via Pexels

Aloe vera is widely celebrated for its healing properties, particularly for soothing burns and skin irritations in humans. However, this popular plant is toxic to both dogs and cats if ingested. Aloe vera contains saponins and anthraquinones, which can lead to symptoms like vomiting, diarrhea, and lethargy in pets. Although aloe vera is a common household plant, it’s important to keep it out of reach of your furry friends. Instead, consider the haworthia plant, which has a similar appearance and offers the same easy-care benefits without the toxic risk.

3. Sago Palm: A Beautiful but Deadly Choice

sago palm
Larger outdoor sago palm. Image by Ivan Cuesta via Pexels

The sago palm is often chosen for its striking, tropical appearance, making it a favorite in many homes and gardens. However, it is one of the most dangerous plants for pets, as every part of the plant, particularly the seeds, is highly toxic. Ingesting sago palm can lead to severe liver damage, vomiting, and even death, making it a plant to avoid entirely if you have pets. If you love the tropical look, the parlor palm is a pet-safe alternative that still brings that lush, green aesthetic to your home without the associated risks.

pothos
Pothos in a white pot. Image by Alexander Dumala via Pexels

Pothos, also known as Devil’s Ivy, is a favorite among houseplant enthusiasts due to its hardiness and low maintenance. However, it contains insoluble calcium oxalates, which can cause significant irritation in a pet’s mouth and digestive tract. Symptoms like drooling, vomiting, and difficulty swallowing can occur if your pet chews on the leaves. To avoid these risks, consider replacing pothos with a spider plant. This alternative is just as easy to care for, thrives in a variety of light conditions, and is completely safe for pets.

5. Philodendron: A Common Plant with Toxic Consequences

philodendron
Heartleaf philodendron. Image by Huy Phan via Pexels

Philodendrons are cherished for their lush, green leaves and ability to thrive in various environments, but they are toxic to both dogs and cats. The plant contains calcium oxalates, which can cause oral irritation, excessive drooling, swelling, and vomiting if ingested by pets. Given the popularity of philodendrons, it’s essential to keep them out of reach or replace them with safer options. A great alternative is the calathea plant, which boasts similarly striking foliage but does not pose any threat to your furry companions.

6. Oleander: A Beautiful but Highly Toxic Plant

oleander
Oleander flowers in full bloom. Image by Hakan Kayahan via Pexels

Oleander is admired for its vibrant flowers and is often found in gardens and landscapes. However, it’s extremely toxic to pets, with all parts of the plant containing harmful compounds that can cause severe symptoms, including vomiting, heart arrhythmias, and even death. If you have oleander in your garden or home, it’s crucial to ensure your pets have no access to it. For a safer and equally attractive flowering plant, consider camellias, which are non-toxic and produce beautiful, pet-safe blooms.

7. Dieffenbachia: Attractive but Dangerous

Closeup of a Dieffenbachia leaf. Image by Oleksandr P via Pexels

Dieffenbachia, commonly known as leopard lily, is a popular houseplant with large, patterned leaves that add a touch of the tropics to any home. Unfortunately, it contains high levels of calcium oxalates, which can cause oral irritation, drooling, and difficulty breathing if ingested by pets. This plant is particularly dangerous because its effects can be severe and immediate. A safer choice would be the prayer plant (maranta), which offers similarly attractive foliage without toxic side effects.

8. English Ivy: A Common but Concerning Plant

ivy
English Ivy growing on a wall. Image by Wyxina Tresse via Pexels

English ivy is a versatile plant often used as ground cover or in hanging baskets, but it poses a risk to both dogs and cats. Ingesting English ivy can lead to symptoms such as vomiting, abdominal pain, and diarrhea, which can be distressing for both pets and their owners. If you love the look of trailing plants, Swedish ivy is a safe and beautiful alternative that can provide the same aesthetic appeal without danger to your pets.

9. ZZ Plant: Low Maintenance but Risky for Pets

zz plant
ZZ Plant with water droplets on its leaves. Image by Lokesh Tiwari via Pexels

The ZZ plant is often favored for its resilience and ability to thrive in low-light conditions, making it a popular choice for busy households. However, it is toxic to pets, as it can cause vomiting, diarrhea, and oral irritation if ingested. If you’re looking for a tough, pet-friendly plant, the cast iron plant is an excellent alternative. It’s equally hardy and low-maintenance, but completely safe for your pets.

10. Peace Lily: Elegant but Potentially Hazardous

peace lily
Peace Lily being freshly potted. Image by Karolina Kaboompics via Pexels

Peace lilies are known for their elegant white flowers and ability to purify the air, making them a common choice for homes and offices. However, they are toxic to pets, containing calcium oxalates that can cause irritation, vomiting, and difficulty swallowing. If you love the look of peace lilies but want to keep your pets safe, consider a bromeliad instead. Bromeliads offer vibrant, colorful blooms and are completely non-toxic, making them a pet-friendly option.

Conclusion

cats and dogs
Pets playing together. Image by Snapwire via Pexels


While houseplants can enhance the beauty and tranquility of your home, it’s essential to be mindful of which plants are safe for your pets. By choosing pet-friendly alternatives, you can enjoy a green, vibrant living space without worrying about your furry friends’ safety. Always research new plants before bringing them into your home, and if you suspect your pet has ingested something toxic, contact your veterinarian immediately. With a little planning and care, you can create a beautiful, pet-safe environment that everyone in your home can enjoy.

Unusual Fall Season For Almost All US States Predicted Spotting A Blue Jay May Be The Universe’s Way Of Telling You What You Need New York Rescue Duck Found Himself An Emotional Support Duck Spotting A Cougar May Be The Universe’s Way Of Telling You What You Need Do Bald Eagles Mate For Life?