Ezina · A Field Manual for Plant Care · United States Vol. I · Ed. 2027 · Proof copy

§ Toxic plants · Taxaceae · Checked Oct 2026

Is Japanese yew toxic to cats and dogs?

Yes. Japanese yew (Taxus cuspidata) is toxic to cats and dogs, according to the ASPCA Animal Poison Control Center. Plant Smart rates its effects Critical, level 4 of 4.

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Japanese yew (Taxus cuspidata)
Photo: (c) Alpsdake, some rights reserved (CC BY-SA), via iNaturalist

§ 010 · Signs

What to watch for

Signs include tremors, trouble breathing, vomiting, seizures, heart failure, diarrhea, slow heartbeat and wobbliness or poor coordination. Eaten in quantity, it can be fatal. Signs can start within hours; some take a day or more to show.

§ 020 · If it happened

What to do if your pet ate it

Call your vet or a pet poison hotline straight away, even if your pet seems fine: the ASPCA Animal Poison Control Center, (888) 426-4435, or Pet Poison Helpline, (855) 764-7661. Both are open 24 hours and charge a fee. Have the plant or a photo of it to hand, and don’t make your pet vomit unless a vet tells you to.

§ 030 · Same family

Other Taxaceae plants toxic to pets

Japanese yew belongs to the Taxaceae family. ASPCA lists these relatives too.

§ 040 · Questions

Questions about Japanese yew and pets

Is Japanese yew toxic to cats?

Yes. ASPCA lists Japanese yew as toxic to cats.

Is Japanese yew toxic to dogs?

Yes. ASPCA lists Japanese yew as toxic to dogs.

What happens if my pet eats Japanese yew?

Signs include tremors, trouble breathing, vomiting, seizures, heart failure, diarrhea, slow heartbeat and wobbliness or poor coordination. Eaten in quantity, it can be fatal. Plant Smart rates it Critical, level 4 of 4.

What should I do if my pet ate it?

Call your vet or a pet poison hotline right away, even before signs appear: the ASPCA Animal Poison Control Center at (888) 426-4435, or Pet Poison Helpline at (855) 764-7661. Both charge a fee. Have the plant, or a photo of it, to hand.

Changes

5 Oct 2026: page drafted.

Sources

ASPCA Animal Poison Control Center: Toxic and Non-Toxic Plant List.

Plant Smart: Plant Smart: plants toxic to pets.

Photo: (c) Alpsdake, some rights reserved (CC BY-SA), via iNaturalist, source.

Checked Oct 2026.