Can Dogs Eat Rhubarb?

Pet parents who have been living with a dog for a certain time know that dogs can eat everything even don’t it doesn’t have a good taste. And that is the case for rhubarb. Since you’re reading this article, we guess that your pup has eaten rhubarb and you’re wondering whether dogs can eat rhubarb. If so, you’re in the right place. Because we will answer that question in this article.

Let’s start by giving our short answer. Dogs can eat rhubarb stem and benefit from them. However, we can’t say the same thing about rhubarb leaves. Because they contain soluble oxalate crystals, which can be toxic to dogs. But you should keep in mind that a dog needs to eat a lot for it to be harmful.

What is Rhubarb?

Most people can have a problem with celery distinguishing rhubarb from celery because both have a similar look. But rhubarb is a difference in the sense that it has a sweeter taste. It is best known for being cooked into sweet desserts like pies and tarts.

Nutritional Value

Vitamin C

As you may already know, vitamin c is found in high amounts in lemon. But it is also found in considerable amounts in rhubarb. As for the benefits, we should start by mentioning that vitamin C has antioxidant properties.

But what are the antioxidants good for? They are good for combating the cancer-causing harmful molecules that are also called free radicals. So, we can say that vitamin C plays a huge role in preventing that.


Rhubarb also contains a fair amount of fiber. And we can say that consuming a good amount of fiber is necessary for dogs that have digestive issues.

So, we can confidently say that rhubarb is in small amounts can be beneficial for constipation. That also means that it can cause diarrhea when consumed too much. And that is why, even though we say dogs can eat rhubarb, you should be mindful about the amount you feed to your pooch.



There is also a good amount of potassium in rhubarb. Potassium is a great mineral that has many benefits. First, consuming enough amount of potassium is beneficial for bone and teeth health. So, providing enough amount of potassium to your pup in his diet is essential to prevent stunt growth.


Magnesium is a natural relaxant that has many benefits to both humans and dogs. It has calming effects, which can be great for dogs that have separation anxiety.

Other than that, magnesium is great for dogs that have muscle problems such as arthritis or hip dysplasia. That also means that dogs that have magnesium deficiency can suffer problem muscle and joint issues.

Is Rhubarb Good or Bad for Dogs?

Before getting to the question of whether rhubarb is good or bad for dogs, we should say that most dogs don’t love the taste of rhubarb. Because the taste of rhubarb is irritating to them.

This irritation, combined with an unpleasant taste, usually prevents animals from doing more than sampling the plant. But even though it doesn’t have a pleasant taste, some dogs can try to eat rhubarb. In that case, we can ask the question of whether dogs can eat rhubarb. Let’s find an answer to that question.

We should start by mentioning that rhubarb stems are safe for dogs to eat, but rhubarb leaves can be poisonous. Because rhubarb stems contain some vitamins and minerals that we mentioned above, which can be beneficial for your pup.

As for why the leaves are toxic to dogs, rhubarb leaves contain soluble oxalate crystals, with less of the crystals being prevalent in the stalk. That can be toxic to dogs. Because the leaves are bitter, most pets won’t ingest enough to cause harm, and toxicity is more common in large animals that graze in pastures.

The usual effect of the toxicity happens after these crystals are embedded in the soft tissues. That also means that chewing might cause immediate pain and inflammation.

After your pup consumes rhubarb, it can cause irritation to the extent that it can cause gastrointestinal tract, causing swelling and severe pain.

As for the symptoms, they may vary. So, if you see that your pup has blood urine, cardiac arrhythmia, coma, diarrhea, and dilated eyes, they can cause it can be a good idea to call your vet.

Conclusion: Can Dogs Eat Rhubarb?

All the vitamins and minerals that we mentioned above make us confidently say that dogs can eat rhubarb stems, but we can’t say the same thing about the leaves.

Because rhubarb leaves contain oxalate crystals, which can be very harmful to dogs. They can even be toxic when consumed too many. The usual symptoms of rhubarb poisoning are blood urine, cardiac arrhythmia, coma, diarrhea, and dilated eyes.

Even though your dog has to eat a lot of rhubarb leaves, it can happen no matter what. So, it can be a great idea to watch out for the after-effects after he consumes them.

Alaaddin Sarac

I've been an avid dog enthusiast since childhood. I started this blog in hopes of helping owners find answers to questions I had after owning my first dog. This website was created as a way to share our love for all things canine with the world. From choosing the best food for your older dog to get the best beds for your tail-wagger, I aim to give you the information you need to give your dog the best care throughout his entire life.