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Why does my dog eat grass every spring and summer, even if healthy?

Updated On September 23rd, 2025

Pet's info: Dog | Yorkipoo | Male | neutered | 2 years and 11 months old | 13 lbs

Why does my dog eat grass in the Spring and Summer? I know he doesn't have any health problems.

1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on April 29th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! While we do not know why some dogs do this (my own dogs included), there may be several plausible reasons. They may eat it because it tastes good, out of boredom or even to make themselves vomit if they aren't feeling well. It is best to avoid this as much as possible. The reason is that the grass during the spring and summer can be sprayed with pesticides which can be quite toxic to dogs. My own theory is that one possible reason they seem to eat it is because of stuff sprayed on them like pesticides which may have a flavor they enjoy. Good luck and have a great day!

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