Dogs Cannot Eat Any Part of the Tomato Plant That is Green

Posted by Christy Caplan
Dog Eating Tomatoes

Your dog can eat red, ripe tomatoes without any issues! Yet if your dog ingests a green, unripe tomato or the leafy green part of the plant (including stems), you may end up with a sick dog. 

Tomatoes are confusing! They're on the 'yes' and 'no' list for pets. We wanted to unravel the tomato mystery for pet lovers.

Can dogs eat tomatoes?

Tomatoes are safe for dogs to eat if they're fresh! 

Tomatoes contain fiber, beta-carotene, vitamin A, vitamin C, and can even be a digestive aid. Make sure they're ripe if you feed these as a snack. 

Can dogs eat tomatoes if there are any green spots?

If your dog ingests a green, unripe tomato or the leafy green part of the plant (including stems), they may end up sick. 

Unripened tomatoes and tomato plants contain toxins called solanine and tomatine that can cause gastrointestinal distress, lethargy, weakness, and confusion.

Clinical signs of too much tomatine and solanine 

The American Kennel Club (AKC) tells us that if your dog has consumed the green parts of a tomato plant, watch him carefully for signs of tomatine poisoning.

Clinical signs of too much tomatine include:

  • Gastrointestinal (GI) upset
  • Cardiac effects
  • Loss of coordination
  • Muscle weakness
  • Tremors
  • Seizures

The good news is that these symptoms are rare, and the prognosis for dogs with tomatine poisoning is generally good.  

Solanine, the other toxic component of the tomato plant, may cause some serious side effects if ingested in very large quantities.

Dogs can eat tomatoes if they're fresh!

Yes! Fresh red tomatoes are fine, but this fruit is part of the nightshade family! So you'll need to be cautious. Try a few red cherry tomatoes as those are smaller and your dog may enjoy a few as a snack. You should also consider other dog treats that are fruit like watermelon or apples. These also have health benefits and are a safer choice.

What other fruit & veggies can my dogs eat? 

Dog owners should consider most fruit as healthy snacks. This snack should always supplement their dog's diet and perhaps be added as a topper to dog food. Feed this in moderation of course, as fruit can cause some gastrointestinal upset. Here's a list: 

  • Apples (without the core or seeds)
  • Bananas
  • Blueberries
  • Cantaloupe
  • Carrots
  • Pumpkin
  • Cucumbers
  • Green Beans

We have some great pumpkin recipes, too.

Does your dog love tomatoes as a snack? Tell us in the comments below. 

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Dogs Cannot Eat Any Part of the Tomato Plant That is Green