English Holly — (c) Jennifer Aitkens, some rights reserved (CC BY)
Photo by (c) Jennifer Aitkens, some rights reserved (CC BY)iNaturalistCC BY
dog safety reference

Is English Holly safe for dogs?

Ilex aquifolium

English Holly is an evergreen shrub or tree known for its glossy, spiny leaves and bright red berries. While ornamental, the plant contains compounds that can cause gastrointestinal distress if ingested by pets.

Christmas HollyEnglish HollyEuropean HollyIlex aquifolium
Light
Partial shade to full sun
Habit
Shrub or small tree
Care
Moderate

Safety status

Dogs

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.

What this means for your dog

English holly is a low-grade hazard for dogs: the spiny leaves cause mechanical mouth irritation, and the leaves and berries contain saponins that upset the gut. Most cases are mild, but a dog that hoovers up a pile of fallen berries — or chews a holly wreath off the door — can vomit hard for several hours. Berries are the most toxic part.

What to watch for

Lip-smacking, drooling, and head-shaking from the spines. Vomiting (often with visible leaf bits). Diarrhea. Lethargy and reduced appetite for a day. Larger volumes — especially berries — drive more pronounced vomiting and dehydration risk.

Time window

GI signs typically begin within a few hours of ingestion. Most dogs recover within 24 hours; exact onset and duration are not well documented in the cited sources.

When to call the vet

Call your vet or ASPCA Poison Control at (888) 426-4435 if you know your dog ate multiple berries, vomiting is severe or persists more than a few hours, or your dog seems unusually tired or won't drink.

First aid at home

Don't try home remedies — Pet Poison Helpline specifically warns against milk, peanut butter, raw eggs, or table salt before calling. Remove any uneaten leaves or berries from your dog's reach, then call Pet Poison Helpline at (855) 764-7661 or ASPCA Poison Control at (888) 426-4435 before doing anything else.

Sources: ASPCA, Pet Poison Helpline.

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.

Dogsconcern notes

Common signs

Vomiting, diarrhea, and drooling.

Escalation note

The plant material can cause irritation to the digestive tract. If your dog has consumed this plant, monitor for signs of illness and consult your veterinarian for professional guidance.

Safer alternatives

No hand-picked alternatives for this plant yet. You can still pick your own using the Compare button on any other plant.

Source evidence

NC State Extension Plant Toolbox

botanical · 94% reliability

Open source

Ilex aquifolium is an evergreen shrub with spiny leaves and red berries that are toxic if ingested.

Cats & dogs pagecats pageMy dog ate English Holly

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