Is Hibiscus Poisonous to Dogs?

The ASPCA lists Hibiscus (Hibiscus syriacus, also known as Rose of Sharon / Rose of China) as non-toxic to dogs, cats, and horses, with the toxic principle stated as "non-toxic." Other common hibiscus species, including Hibiscus rosa-sinensis (Chinese hibiscus) and Hibiscus moscheutos (swamp rose mallow), are likewise on the ASPCA non-toxic list. However, "non-toxic" does NOT mean the plant is food. Important real-world caveats: (1) Any dog that eats a meaningful amount of plant material can develop mild, self-limiting GI upset (vomiting, diarrhea, drooling, reduced appetite) simply from the indigestible fiber, regardless of toxicity. (2) Large pieces or woody stems can cause gagging, choking, or mouth/throat irritation. (3) Store-bought ornamental hibiscus is frequently treated with systemic insecticides, copper-based fungicides, or fertilizers that persist in leaves and stems for weeks; these chemical residues, not the plant itself, can pose a hazard, so keep dogs away from recently treated nursery plants. (4) Edible hibiscus products for humans (e.g., hibiscus/roselle tea) should not be assumed safe to give dogs in quantity, and any tea or food version must be plain and free of xylitol, added sugar, caffeine blends, or other additives. Identify the exact plant, remove access, and watch for symptoms; contact your vet or ASPCA Animal Poison Control (888-426-4435) if signs appear or a large amount or a treated plant was eaten.

Is hibiscus poisonous to dogs?

No. The ASPCA lists hibiscus (Hibiscus syriacus, Rose of Sharon) as non-toxic to dogs, cats, and horses, with no toxic principle. The closely related Chinese hibiscus (Hibiscus rosa-sinensis) is also on the ASPCA non-toxic list. It is not considered a poisonous plant for dogs.

My dog ate hibiscus flowers or leaves — should I worry?

A small nibble of a non-treated hibiscus is generally not dangerous. The main risk is mild, temporary stomach upset (vomiting, diarrhea, or drooling) from eating plant fiber, which most dogs recover from on their own. Watch your dog and call your vet if vomiting or diarrhea is severe, persistent, or if the plant may have been treated with pesticide or fungicide.

Can dogs drink hibiscus tea?

The hibiscus plant itself is non-toxic, but tea is not recommended in any meaningful quantity. Give only plain, unsweetened, cooled hibiscus (roselle) tea in tiny amounts if at all, and never a version containing xylitol, added sugar, caffeine, or blended ingredients. When in doubt, plain water is the safer choice for dogs.

• ASPCA — Toxic and Non-toxic Plants: Hibiscus

Last updated 2026-06-25