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Dog Guard of Central Ohio Serving the greater Columbus Ohio area.
October 26, 2026
Autumn in Central Ohio brings beautiful leaves, cooler temperatures, and plenty of outdoor fun with our dogs. But it also brings something many pet owners overlook: fallen nuts from trees.
Acorns, walnuts, and other nuts can become tempting objects for curious dogs to sniff, chew, or swallow. Some can cause stomach problems, while others may lead to more serious health concerns.
At Dog Guard of Central Ohio, we believe keeping your dog safe starts with knowing what hazards to watch for—both at home and away from home.
Oak trees are common throughout Ohio, and their acorns often cover lawns, sidewalks, and wooded areas in the fall.
Acorns contain tannins that can irritate a dog's digestive system. Eating them may cause vomiting, diarrhea, or abdominal discomfort.
Acorns can also become choking hazards or cause intestinal blockages, particularly in smaller dogs.
Safety tip: Regularly rake up fallen acorns, especially in areas where your dog likes to play.
Black walnut trees grow throughout Ohio, and their large, round nuts often fall to the ground in autumn.
The biggest concern for dogs is moldy walnuts. Certain molds can produce toxins that cause tremors, seizures, and other serious symptoms.
The hard shells can also cause choking or digestive blockages.
Safety tip: Remove fallen black walnuts from your dog's play area, especially nuts that have been lying in damp grass or leaves.
Hickory trees are another familiar sight in Ohio.
Hickory nuts are not generally considered highly toxic to dogs, but their hard shells can cause choking, dental injuries, or intestinal blockages if swallowed.
Eating a large quantity of nuts may also cause digestive upset.
Safety tip: Keep your yard clear of fallen hickory nuts, particularly if your dog enjoys chewing on hard objects.
Pecans and other high-fat nuts can cause digestive upset and may contribute to pancreatitis in some dogs.
Moldy nuts can present additional risks, and shells may create choking or intestinal blockage hazards.
Safety tip: Avoid offering nuts as dog treats. There are plenty of safer, dog-friendly alternatives.
Your own yard isn't the only place where your dog might encounter fallen nuts.
During autumn, sidewalks, neighborhood streets, parks, and wooded walking trails can be covered with acorns, walnuts, and other tree debris.
Dogs naturally explore the world with their noses and mouths. A curious pup may grab a nut before you even notice it's there.
Here are a few ways to keep your dog safer during fall walks:
Remember: Even if your dog has never shown an interest in eating nuts before, a new smell or unfamiliar object may suddenly catch their attention.
If you see your dog eating an unknown nut, try to identify what it was and how much was swallowed.
Contact your veterinarian promptly if you're concerned, especially if your dog ate macadamia nuts, moldy nuts, or shells.
Symptoms such as repeated vomiting, tremors, weakness, seizures, or severe abdominal pain require urgent veterinary attention.
Don't induce vomiting unless a veterinarian instructs you to do so.
Fall is a wonderful time for dogs to enjoy the outdoors, whether they're playing in the backyard or exploring the neighborhood on a walk.
Taking a few minutes to remove fallen nuts, inspect play areas, and watch for unfamiliar objects can help protect your four-legged family members.
At Dog Guard of Central Ohio, we're passionate about helping dogs enjoy the freedom of their own yards while giving their families peace of mind.
Looking for a safe, reliable way to give your dog more room to play? Contact Dog Guard of Central Ohio to learn more about our professionally installed underground dog fencing systems and personalized training.
Because your dog's safety matters in every season. 🐾
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