Plants / Grapefruit / cats

Is Grapefruit toxic to cats?

Grapefruit (Citrus paradisii, as listed by the ASPCA) is toxic to cats (S2 Irritant): the ASPCA lists essential oils and psoralens, with vomiting, diarrhea, depression, and potential dermatitis.

  • TOXINEssential oils, psoralens
  • WHAT TO EXPECTVomiting; diarrhea; depression
  • CALL THE VETContact your vet if vomiting, diarrhea, depression, or dermatitis persists or worsens after Grapefruit exposure.
S0S1S2S3S4

Symptoms

SIGN
Vomiting
diarrhea
depression
potential dermatitis

If your cat just ate it

S2 PROTOCOL
1
Move Grapefruit (Citrus paradisii, as listed by the ASPCA) out of your cat's reach. Watch for vomiting, diarrhea, depression, or dermatitis. Contact your vet if signs persist or worsen.
2
When to call the vet: Contact your vet if vomiting, diarrhea, depression, or dermatitis persists or worsens after Grapefruit exposure.
Put it in my home →

Same floor look, minus the risk

3 floor plants graded S0 — non-toxic on record.

Care at a glance

Lightdirect
Waterevery 5–8 days
Humiditymedium
Difficulty●●○

FAQ

Is Grapefruit toxic to cats?

Yes, for Citrus paradisii, as listed by the ASPCA: S2 Irritant. The ASPCA Grapefruit entry lists "Essential oils and psoralens" and "Vomiting, diarrhea, depression; potential dermatitis." Move Grapefruit out of your cat's reach and contact your vet if signs persist or worsen.

Which plant does this Grapefruit verdict cover?

Citrus paradisii, as listed by the ASPCA. The ASPCA Grapefruit entry gives that scientific name and the family Rutaceae. This page does not grade Orange or lemon. Check the scientific name on the tag.

Which parts does the Grapefruit entry name?

The clinical-signs field reads "Vomiting, diarrhea, depression; potential dermatitis. Fruit is edible, skins and plant material can cause problems." The parts stored from that sentence are skins and plant material. Move Grapefruit out of reach and contact your vet if signs persist or worsen.

Is Grapefruit toxic to dogs?

Yes, for Citrus paradisii, as listed by the ASPCA: S2 Irritant. The ASPCA Grapefruit entry lists "Essential oils and psoralens" and "Vomiting, diarrhea, depression; potential dermatitis." Move Grapefruit out of your dog's reach and contact your vet if signs persist or worsen.

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Verdapaw Plant × Pet Safety Index, verdapaw.com/plants/grapefruit, reviewed 2026-11-05