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

§ Toxic plants · Geraniaceae · Checked Oct 2026

Is garden geranium toxic to cats and dogs?

Yes. Garden geranium (Pelargonium x hortorum) is toxic to cats and dogs, according to the ASPCA Animal Poison Control Center. Plant Smart rates its effects Moderate, level 2 of 4.

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Garden geranium (Pelargonium x hortorum)
Photo: no rights reserved, uploaded by Peter de Lange, via iNaturalist

§ 010 · Signs

What to watch for

Signs include vomiting, loss of appetite, dullness or depression, skin irritation, wobbliness or poor coordination, weakness and low body temperature. 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 Geraniaceae plants toxic to pets

Garden geranium belongs to the Geraniaceae family. ASPCA lists these relatives too.

§ 040 · Questions

Questions about garden geranium and pets

Is garden geranium toxic to cats?

Yes. ASPCA lists garden geranium as toxic to cats.

Is garden geranium toxic to dogs?

Yes. ASPCA lists garden geranium as toxic to dogs.

What happens if my pet eats garden geranium?

Signs include vomiting, loss of appetite, dullness or depression, skin irritation, wobbliness or poor coordination, weakness and low body temperature. Plant Smart rates it Moderate, level 2 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.

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: no rights reserved, uploaded by Peter de Lange, via iNaturalist, source.

Checked Oct 2026.