Why does my dog roll in grass?

Dogs roll in grass for a few common reasons:

• To enjoy interesting smells. Dogs are very scent-driven, so they may roll in odors that seem unpleasant to us.
• To mask or change their scent. Some dogs may roll in strong-smelling things as part of instinctive scent behavior.
• To leave or pick up scents. Rolling can be a way to pick up a smell or add their own scent.
• To scratch or soothe themselves. Grass can feel good on an itchy spot, help with mild irritation, or loosen loose fur.
• Because it feels good. Some dogs simply roll because it’s pleasurable, relaxing, or playful.

Usually this is normal. But if your dog is rolling a lot or seems frantic, or you also notice scratching, biting, licking, hair loss, or red skin, it could be due to allergies, fleas, ticks, or another skin problem, and it’s worth checking with your veterinarian.