Is inch plant toxic to cats?
Tradescantia zebrina
Yes. Inch plant is toxic to cats, graded low severity by NC State Extension. Call your vet if a cat has eaten any.
- Take any remaining plant material out of their mouth and rinse the mouth with water.
- Call someone. Your own vet first. Otherwise ASPCA Animal Poison Control on (888) 426-4435 or the Pet Poison Helpline on (855) 764-7661 — both charge a fee.
- Take a photo of the plant, and note roughly how much was eaten and when. It is the first thing you will be asked.
- Do not make your cat vomit unless a vet tells you to.
What it does, and why
The authorities we cite record this species as toxic without identifying the responsible compound. We are not going to guess at one. The reported signs below are what is actually documented.
Reported signs
- skin irritation
- dermatitis
Signs as listed by the ASPCA under Tradescantia flumeninsis. Not every animal shows all of them.
What each authority says
- ASPCA — entry for a different species in this genus: Tradescantia flumeninsis
- Toxic to cats and dogs
- NC State Extension
- Poison severity: Low · If ingested by pets or humans, mouth and stomach irritation can result. Handling or contact with this plant can cause skin irritation and redness.
What to keep instead
Species in this database listed non-toxic to cats and dogs, chosen for a similar look or similar care rather than at random.
| Plant | Family | Water | Difficulty |
|---|---|---|---|
| Baby rubber plantPeperomia obtusifolia | Piperaceae | 9–14d | 1/5 |
| Chinese money plantPilea peperomioides | Urticaceae | 6–11d | 2/5 |
Swapping the plant is the only measure that reliably works. Height and hanging baskets buy less time than people expect with a determined cat.
The other animal
Looking for dogs? See is inch plant toxic to dogs. Full care details are on the inch plant species entry.
Sources
- ASPCA Animal Poison Control — Tradescantia flumeninsis Checked 2026-09-11.
- North Carolina Extension Gardener Plant Toolbox — Tradescantia zebrina Checked 2026-09-11.
- Royal Botanic Gardens Kew, Plants of the World Online — Tradescantia zebrina Accepted name and family. Checked 2026-09-11.
- ASPCA Animal Poison Control Center, (888) 426-4435 — emergency line, fee applies
Compiled and edited by Tony Valcarcel · 2026-09-11
Tony Valcarcel is the editor and publisher of this database, not a veterinarian.
Severity is reproduced from the authority that published it and is never
originated here. How this is sourced.
This page is a reference, not a diagnosis. In an emergency, call rather than read.