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

§ Toxic plants · Cannabaceae · Checked Oct 2026

Is common hops toxic to cats and dogs?

Yes. Common hops (Humulus lupulus) 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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Common hops (Humulus lupulus)
Photo: (c) Nikita Lavrenov, some rights reserved (CC BY), uploaded by Nikita Lavrenov, via iNaturalist

§ 010 · Signs

What to watch for

Signs include panting, fever and seizures. 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 Cannabaceae plants toxic to pets

Common hops belongs to the Cannabaceae family. ASPCA lists these relatives too.

§ 040 · Questions

Questions about common hops and pets

Is common hops toxic to cats?

Yes. ASPCA lists common hops as toxic to cats.

Is common hops toxic to dogs?

Yes. ASPCA lists common hops as toxic to dogs.

What happens if my pet eats common hops?

Signs include panting, fever and seizures. 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.

What else is common hops called?

Common hops is also sold or known as western hop.

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) Nikita Lavrenov, some rights reserved (CC BY), uploaded by Nikita Lavrenov, via iNaturalist, source.

Checked Oct 2026.