Dieffenbachia
Not listed does not mean safe.

Krzysztof Ziarnek, Kenraiz · CC BY-SA 4.0 · Photo source · shows: Dieffenbachia
Dieffenbachia
Also known as: Charming Dieffenbachia, Giant Dumb Cane, Tropic Snow, Dumbcane, Exotica, Spotted Dumb Cane, Exotica Perfection
Family: Araceae · ASPCA plant record
Verdict at a glance
Evidence by animal
| Animal | Verdict | Basis | Plant parts | Sources | Evidence link |
|---|---|---|---|---|---|
| Companion mammals | |||||
| Cats | Cats: ⚠ Toxic | Not specified | ASPCA Toxic and Non-Toxic Plants Poison control | evidence | |
| Dogs | Dogs: ⚠ Toxic | Not specified | ASPCA Toxic and Non-Toxic Plants Poison control | evidence | |
| Small mammals | |||||
| Rabbits | Rabbits: ⚠ Toxic | rabbit.org: listed as poisonous (not graded); WHRS Class 1: universal toxin | Not specified | House Rabbit Society (rabbit.org) Rescue/education group Wisconsin House Rabbit Society Rescue/education group | evidence |
| Birds | |||||
| Pet birds (general) | Pet birds (general): ⚠ Toxic | AAV: listed as toxic to pet birds; VCA: on the may-be-poisonous list (not specifically reported) | Not specified | Association of Avian Veterinarians Veterinary reference VCA Animal Hospitals Veterinary reference | evidence |
| Canaries | Canaries: ⚠ Toxic | Not specified | evidence | ||
Source excerpts
ASPCA Toxic and Non-Toxic Plants — Cats, Dogs
poison-control
Toxic to Dogs, Toxic to Cats
Source checked 2026-10-26
Read original sourceHouse Rabbit Society (rabbit.org) — Poisonous Plants — Rabbits
rescue-education
rabbit.org: listed as poisonous (not graded) · rabbit.org list "Poisonous Plants" (compiled by the University of Illinois): plants "normally thought to be poisonous"; "others may cause a reaction in some but not in others". Not a graded risk.
Dumbcane
Source checked 2026-10-27
Read original sourceWisconsin House Rabbit Society — Classes of Toxic Plants — Rabbits
rescue-education
WHRS Class 1: universal toxin · Wisconsin House Rabbit Society chapter list (G. Flentke, 2012): Class 1 — "Universal species toxins": "usually systemic toxins or local effect toxins of sufficient intensity to cause systemic problems" (list heading: "Do NOT expose rabbits to these plants.").
Gold Dieffenbachia
Source checked 2026-10-27
Read original sourceWisconsin House Rabbit Society — Classes of Toxic Plants — Rabbits
rescue-education
WHRS Class 1: universal toxin · Wisconsin House Rabbit Society chapter list (G. Flentke, 2012): Class 1 — "Universal species toxins": "usually systemic toxins or local effect toxins of sufficient intensity to cause systemic problems" (list heading: "Do NOT expose rabbits to these plants.").
Dieffenbachia
Source checked 2026-10-27
Read original sourceWisconsin House Rabbit Society — Classes of Toxic Plants — Rabbits
rescue-education
WHRS Class 1: universal toxin · Wisconsin House Rabbit Society chapter list (G. Flentke, 2012): Class 1 — "Universal species toxins": "usually systemic toxins or local effect toxins of sufficient intensity to cause systemic problems" (list heading: "Do NOT expose rabbits to these plants.").
Dumbcane
Source checked 2026-10-27
Read original sourceWisconsin House Rabbit Society — Classes of Toxic Plants — Rabbits
rescue-education
WHRS Class 1: universal toxin · Wisconsin House Rabbit Society chapter list (G. Flentke, 2012): Class 1 — "Universal species toxins": "usually systemic toxins or local effect toxins of sufficient intensity to cause systemic problems" (list heading: "Do NOT expose rabbits to these plants.").
Spotted Dumb Cane
Source checked 2026-10-27
Read original sourceWisconsin House Rabbit Society — Classes of Toxic Plants — Rabbits
rescue-education
WHRS Class 1: universal toxin · Wisconsin House Rabbit Society chapter list (G. Flentke, 2012): Class 1 — "Universal species toxins": "usually systemic toxins or local effect toxins of sufficient intensity to cause systemic problems" (list heading: "Do NOT expose rabbits to these plants.").
Variable Dieffenbachia
Source checked 2026-10-27
Read original sourceAssociation of Avian Veterinarians — Protecting Your Pet Birds From Household Dangers — Pet birds (general)
veterinary-reference
AAV: listed as toxic to pet birds · AAV leaflet "Protecting Your Pet Birds From Household Dangers" (the list "is not exhaustive").
Other commonly seen plants that are toxic include Lantana, lilies of the valley, lilies, rhubarb, dumb cane, and umbrella plant.
Source checked 2026-10-27
Read original sourceVCA Animal Hospitals — Plants That Are Toxic to Birds — Pet birds (general)
veterinary-reference
VCA: on the may-be-poisonous list (not specifically reported) · VCA: on the list of "many plants which may be poisonous to birds, although it is not exhaustive"; no asterisk, so not specifically reported harmful in birds. VCA notes information is often inferred from other species.
Gold Dieffenbachia
Source checked 2026-10-27 (source updated Aug 14, 2026)
Read original sourceVCA Animal Hospitals — Plants That Are Toxic to Birds — Pet birds (general)
veterinary-reference
VCA: on the may-be-poisonous list (not specifically reported) · VCA: on the list of "many plants which may be poisonous to birds, although it is not exhaustive"; no asterisk, so not specifically reported harmful in birds. VCA notes information is often inferred from other species.
Charming Dieffenbachia
Source checked 2026-10-27 (source updated Aug 14, 2026)
Read original sourceVCA Animal Hospitals — Plants That Are Toxic to Birds — Pet birds (general)
veterinary-reference
VCA: on the may-be-poisonous list (not specifically reported) · VCA: on the list of "many plants which may be poisonous to birds, although it is not exhaustive"; no asterisk, so not specifically reported harmful in birds. VCA notes information is often inferred from other species.
Spotted Dumb Cane
Source checked 2026-10-27 (source updated Aug 14, 2026)
Read original sourceVCA Animal Hospitals — Plants That Are Toxic to Birds — Pet birds (general)
veterinary-reference
VCA: on the may-be-poisonous list (not specifically reported) · VCA: on the list of "many plants which may be poisonous to birds, although it is not exhaustive"; no asterisk, so not specifically reported harmful in birds. VCA notes information is often inferred from other species.
Variable Dieffenbachia
Source checked 2026-10-27 (source updated Aug 14, 2026)
Read original sourceVCA Animal Hospitals — Plants That Are Toxic to Birds — Pet birds (general)
veterinary-reference
VCA: on the may-be-poisonous list (not specifically reported) · VCA: on the list of "many plants which may be poisonous to birds, although it is not exhaustive"; no asterisk, so not specifically reported harmful in birds. VCA notes information is often inferred from other species.
Dumb Cane
Source checked 2026-10-27 (source updated Aug 14, 2026)
Read original sourceAvian toxicoses: a review (Frontiers in Veterinary Science, 2025) — Canaries
peer-reviewed
Table 2, "Some plants are toxic to pet birds" (C = clinical report, E = experimental). Basis: experimental.
Dieffenbachia | Canaries(E)
Source checked 2026-10-27
Read original sourceNo evidence collected in this database yet for 18 animals
No evidence collected in this database yet for: Horses, Guinea pigs, Hamsters, Rats, Mice, Chinchillas, Ferrets, Parrots (macaws, Amazons, African greys…), Budgerigars (budgies), Cockatiels, Lovebirds, Finches, Pigeons & doves, Tortoises, Bearded dragons, Iguanas, Goats, Chickens & other poultry
No supported claim has been collected for these animals. Not listed does not mean safe; do not infer suitability from another species.
Toxic principles
ASPCA, as published: Insoluble calcium oxalates, proteolytic enzyme Source
Clinical signs
ASPCA, as published: Oral irritation, intense burning and irritation of mouth , tongue and lips, excessive drooling, vomiting, difficulty swallowing Source
More from veterinary sources
Last verified (ASPCA record): 2026-10-26. Source access dates and limitations.
Similar plants (same family)
Shared family is not a shared verdict. Check each plant separately.