Pet safety
Is White Horehound toxic to dogs?
Marrubium vulgare
No — white horehound is listed by the ASPCA as non-toxic to dogs. It is a sensible choice for a home with a dog; a curious nibble will not poison them, though no plant is meant to be eaten. This classification follows the ASPCA Toxic and Non-Toxic Plant List. Marrubium vulgare is not listed as toxic to cats, dogs, or horses by ASPCA and is generally considered non-toxic to pets. However, the plant's bitter marrubiin content may cause mild gastrointestinal upset (vomiting, diarrhea) if consumed in large quantities. It is safe to grow in pet-accessible gardens.
Is white horehound toxic to dogs? — FAQ
Is white horehound toxic to dogs?
No — white horehound is listed by the ASPCA as non-toxic to dogs. It is a sensible choice for a home with a dog; a curious nibble will not poison them, though no plant is meant to be eaten. Marrubium vulgare is not listed as toxic to cats, dogs, or horses by ASPCA and is generally considered non-toxic to pets. However, the plant's bitter marrubiin content may cause mild gastrointestinal upset (vomiting, diarrhea) if consumed in large quantities. It is safe to grow in pet-accessible gardens.
Is white horehound safe for dogs?
Yes — the ASPCA lists white horehound as non-toxic to dogs and dogs. A dog that chews a large amount of any foliage can still get a mild, brief stomach upset, so discourage grazing, but it will not be poisoned.
Is white horehound toxic to cats too?
The ASPCA classification Growli uses applies to both cats and dogs: White Horehound is non-toxic to cats as well. See the full white horehound pet-safety guide for both species.
What other plants are safe for dogs?
Reliable ASPCA non-toxic picks for a dog home include spider plant, calathea, parlor palm, peperomia, and most true ferns. Browse the best dogs-safe plants list to check more before you buy.
Full white horehound pet-safety
- Is white horehound toxic to cats and dogs? — the full guide for both pets
- Is white horehound toxic to cats?
- Best dogs-safe plants — the full ASPCA non-toxic list
- Complete white horehound care guide