Bitter Orange — (c) Alex Abair, some rights reserved (CC BY), uploaded by Alex Abair
Photo by (c) Alex Abair, some rights reserved (CC BY), uploaded by Alex AbairiNaturalistCC BY
Pet safety reference

Bitter Orange

Citrus aurantium

Citrus aurantium is a citrus tree known for its fragrant flowers and bitter fruit, often used in essential oil production. It contains compounds that can cause adverse reactions if ingested by pets.

Bigarade OrangeBitter OrangeCitrus aurantiumSeville OrangeSour Orange
Light
Bright direct light
Habit
Tree
Care
Moderate

Safety status

Cats & 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.

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.

Catsconcern notes

Common signs

Vomiting, diarrhea, lethargy, and potential photosensitivity.

Escalation note

Ingestion of plant parts or essential oils can cause gastrointestinal upset and skin irritation. Please contact your veterinarian if your cat has ingested any part of this plant.

Dogsconcern notes

Common signs

Vomiting, diarrhea, drooling, and potential skin irritation upon contact.

Escalation note

The plant contains essential oils and psoralens that may cause digestive distress or sensitivity to light. Consult a veterinarian if you suspect your dog has consumed this plant.

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

ASPCA Toxic Plant List

toxicology · 99% reliability

Open source

Bitter Orange is listed as toxic to dogs and cats due to essential oils and psoralens.

Kew Plants of the World Online

botanical · 95% reliability

Open source

Accepted botanical name Citrus aurantium L.

cats safety pageMy cat ate Bitter Orangedogs safety pageMy dog ate Bitter Orange

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Same growing conditions

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