Plants / Queen of the Night / dogs

Is Queen of the Night toxic to dogs?

Queen of the Night (Hylocereus undatus) is non-toxic to dogs (S0 Safe): the ASPCA lists this species as non-toxic to cats and dogs.

  • TOXINnone — no toxic principles on record
  • WHAT TO EXPECTno symptoms on record
  • CALL THE VETSee a vet if unusual or persistent symptoms follow ingestion.
S0S1S2S3S4

Nothing to do — really

S0 PROTOCOL
1
No action needed. Queen of the Night (Hylocereus undatus) is safe to keep around dogs.
2
When to call the vet: See a vet if unusual or persistent symptoms follow ingestion.
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Care at a glance

Lightdirect
Waterevery 10–14 days
Humiditymedium
Difficulty●●○

FAQ

Is Queen of the Night safe for dogs?

Yes, for Hylocereus undatus: S0 Safe. The ASPCA's Night Blooming Cereus entry reads "Non-Toxic to Dogs, Non-Toxic to Cats, Non-Toxic to Horses".

Which plant does this Queen of the Night verdict cover?

Hylocereus undatus. The ASPCA's Night Blooming Cereus and Pitaya entries both give "Hylocereus undatus" as the scientific name and list "Queen of the Night" as an Additional Common Name. Plants with other scientific names are not covered or graded here. Check the scientific name on the tag.

Do the Night Blooming Cereus and Pitaya entries give the same animal information?

Both list cats and dogs as non-toxic. Night Blooming Cereus reads "Non-Toxic to Dogs, Non-Toxic to Cats, Non-Toxic to Horses", while Pitaya reads "Non-Toxic to Dogs, Non-Toxic to Cats". Both give the scientific name "Hylocereus undatus".

Is Queen of the Night safe for cats?

Yes, for Hylocereus undatus: S0 Safe. The ASPCA's Night Blooming Cereus entry reads "Non-Toxic to Dogs, Non-Toxic to Cats, Non-Toxic to Horses".

CITE THIS PAGE

Verdapaw Plant × Pet Safety Index, verdapaw.com/plants/queen-of-the-night, reviewed 2026-10-30