Cats
Generally safeConsulted references do not classify the plant as toxic for that pet type, while still allowing for mild GI upset if large amounts are chewed.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Sources
cat safety reference
Is Rose of Sharon safe for cats?
Hibiscus syriacus
Rose of Sharon is a popular flowering shrub known for its large, showy blooms and hardy nature. While generally considered non-toxic, it is always best to prevent pets from consuming large amounts of plant material.
HibiscusHibiscus syriacusRose of AltheaShrub Althea
- Light
- Full sun to partial shade
- Habit
- Upright shrub
- Care
- Low
Safety status
What this means for your cat
Cats are in the clear with Rose of Sharon — ASPCA lists this hibiscus as non-toxic to cats, so a chewed bloom or leaf won't cause poisoning.
Sources: ASPCA.
If a pet has chewed or swallowed plant material and is showing symptoms, contact a veterinarian or poison resource immediately. This product is for structured reference, not diagnosis.
Cats — concern notes
Common signs
No specific toxicity symptoms are expected, though chewing or swallowing plant material may still cause mild stomach upset.
Escalation note
This plant is listed by ASPCA as non-toxic for this pet. Monitor for digestive upset after large ingestion and contact a veterinarian if symptoms persist.
Source evidence
ASPCA Toxic Plant List
toxicology · 99% reliability
Hibiscus syriacus is listed as non-toxic to cats and dogs.
NC State Extension Plant Toolbox
botanical · 94% reliability
Hibiscus syriacus is a deciduous shrub in the Malvaceae family, commonly known as Rose of Sharon.
Questions about Rose of Sharon
Is Rose of Sharon toxic to cats?
Rose of Sharon (Hibiscus syriacus) is listed as non-toxic to cats by the ASPCA. It is not expected to cause poisoning, though non-toxic does not mean harmless in large quantities.
What happens if my cat eats Rose of Sharon?
No specific toxicity symptoms are expected, but chewing or swallowing plant material may cause mild stomach upset. Monitor your cat for vomiting, diarrhea, or lethargy, and contact your veterinarian if symptoms persist.
How much Rose of Sharon is dangerous for a cat to eat?
Rose of Sharon is not considered toxic to cats, so there is no known dangerous dose. That said, large ingestions of any plant material can cause digestive upset, so it is best to discourage chewing on the shrub.
Should I call a vet if my cat chewed on a Rose of Sharon bush?
A brief nibble is unlikely to require emergency care given the plant's non-toxic status, but watch for ongoing vomiting, lethargy, or loss of appetite. If symptoms persist or your cat ate a large amount, call your veterinarian for guidance.
Same cat verdict
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