Pet safety
Is Humboldt's Caladiumtoxic to cats & dogs?
Caladium humboldtii
Toxic
Quick verdict — at a glance
- Toxic to cats?
- Yes — toxic
- Toxic to dogs?
- Yes — toxic
- ASPCA classification
- Toxic to pets · botanical name Caladium humboldtii
Is humboldt's caladium safe for cats and dogs?
Avoid for a pet household. Humboldt's Caladium is ASPCA-listed toxic to both cats and dogs; even a small chew can drive a vet visit. Plenty of look-alikes on the non-toxic side of the list — see alternatives below. This classification follows the ASPCA Toxic and Non-Toxic Plant List, the most widely used reference for companion-animal plant safety in the US and the standard most UK vets cite as well. The ASPCA lists Caladium species as toxic to dogs and cats. All plant parts — especially the tubers — contain insoluble calcium oxalate crystals that cause intense oral irritation, drooling, vomiting, and difficulty swallowing if ingested.
| Pet | Toxic? | Per ASPCA |
|---|---|---|
| Cats | Yes | Toxic to pets |
| Dogs | Yes | Toxic to pets |
What happens if a pet eats humboldt's caladium?
The ASPCA lists Caladium species as toxic to dogs and cats. All plant parts — especially the tubers — contain insoluble calcium oxalate crystals that cause intense oral irritation, drooling, vomiting, and difficulty swallowing if ingested. Signs usually appear soon after chewing rather than hours later. If you see drooling, pawing at the mouth, head-shaking, vomiting, loss of appetite, or unusual lethargy after your pet has had access to humboldt's caladium, treat it as a suspected ingestion and act on the steps below.
What to do if your pet ate humboldt's caladium
- Remove any plant material from your pet's mouth and move humboldt's caladium out of reach.
- Note how much was eaten and when, and watch for drooling, vomiting, or lethargy.
- Do not induce vomiting unless a vet or poison-control specialist instructs you to.
- Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice.
- Bring a leaf or photo of humboldt's caladium to the appointment so it can be treated correctly.
This page is general guidance, not veterinary advice. Pets vary, and a reaction may be to soil, fertiliser, or pesticide rather than the plant. If you are worried, always contact a vet or the ASPCA Animal Poison Control Center on (888) 426-4435 — do not wait for symptoms to worsen.
Pet-safe alternatives to humboldt's caladium
Want the same look without the risk? These plants are listed as non-toxic to cats and dogs by the ASPCA and have similar care needs:
- Prayer plant — non-toxic to cats and dogs (care guide)
- Calathea — non-toxic to cats and dogs (care guide)
- Parlor palm — non-toxic to cats and dogs (care guide)
- Areca palm — non-toxic to cats and dogs (care guide)
Humboldt's Caladium and pets — frequently asked questions
Is humboldt's caladium toxic to cats?
Humboldt's Caladium (Caladium humboldtii) is toxic to cats according to the ASPCA. The ASPCA lists Caladium species as toxic to dogs and cats. All plant parts — especially the tubers — contain insoluble calcium oxalate crystals that cause intense oral irritation, drooling, vomiting, and difficulty swallowing if ingested. Keep it out of reach and contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 if your cat chews it.
Is humboldt's caladium toxic to dogs?
Per the ASPCA, Humboldt's Caladium (Caladium humboldtii) is toxic to dogs. Dogs often chew more enthusiastically than cats, so a toxic plant like humboldt's caladium is best removed from the floor and low shelves entirely.
What happens if my pet eats humboldt's caladium?
The ASPCA lists Caladium species as toxic to dogs and cats. All plant parts — especially the tubers — contain insoluble calcium oxalate crystals that cause intense oral irritation, drooling, vomiting, and difficulty swallowing if ingested. Signs usually appear soon after chewing rather than hours later. If you see drooling, pawing at the mouth, head-shaking, vomiting, loss of appetite, or unusual lethargy after your pet has had access to humboldt's caladium, treat it as a suspected ingestion and act on the steps below.
What should I do if my cat or dog ate humboldt's caladium?
Stay calm. Remove any remaining plant material from your pet's mouth and take the plant away so they cannot eat more. Note roughly how much was eaten and when. Do not make your pet vomit unless a vet or poison-control specialist tells you to. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 (a consultation fee may apply) and follow their advice. Bringing a photo or a leaf of humboldt's caladium to the appointment helps the vet treat it correctly.
What are pet-safe alternatives to humboldt's caladium?
If you want a similar look without the risk, good non-toxic swaps include prayer plant, calathea, parlor palm, areca palm. All of these are listed as non-toxic to cats and dogs by the ASPCA, so they suit a home where pets have access to your plants.
Full humboldt's caladium care
Pet-safety is one piece of the picture. For light, watering, soil, and troubleshooting, see the complete humboldt's caladium care guide, or browse the full pet-safe plant library to check another plant before you buy it.