Humulus lupulus

Humulus lupulus is toxic to cats and dogs. The reported severity is critical. Also known as Common Hops and Western Hop.

dogs cats

Mild Moderate Severe Critical

This plant is known to be potentially deadly!

  • If you're comfortable with the risk, ensure this plant is out of reach of your animal.
  • If you suspect your animal has ingested portions of this plant, immediately consult your veterinarian.
  • If your animal is experiencing any of the associated symptoms, immediately contact your veterinarian's emergency number for further instructions.

If your animal ate this plant, call your veterinarian, the ASPCA Animal Poison Control on (888) 426-4435 or the Pet Poison Helpline on (855) 764-7661. Fees may apply.

Symptoms to watch for

Panting Fever Seizures Death

The color of each symptom follows the severity scale above.

About

Humulus lupulus, the common hop or hops, is a species of flowering plant in the hemp family, Cannabaceae. It is a perennial, herbaceous climbing plant which sends up new shoots in early spring and dies back to a cold-hardy rhizome in autumn. It is dioecious and native to West Asia, Europe and North America.

How this plant poisons

H. lupulus can cause dermatitis to some who handle them. It is estimated that about 1 in 30 people are affected by this.

Common Names

  • Common Hops
  • Western Hop

Also recorded as Bine, Common Hop, Hop and Hops.

Facts

Family
Cannabaceae
Duration
Perennial
Growth habit
Forb/herb, Vine
Native to
Flanders, Belgium, Brussels-Capital Region, Flemish Region, Walloon Region, Grand Duchy of Luxembourg, Portugal Continental
In the wild
FR, GB, DE, NL, BE, RU + more
Source
Wikipedia, CC BY-SA 4.0
Elsewhere

Countries with the most wild observations, from GBIF data.