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If your dog ate mustard greens 'red giant' — do this now

  1. Take the plant away and clear any pieces from their mouth.
  2. Do not induce vomiting unless told to by a professional.
  3. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 now.

Mustard Greens 'Red Giant' is mildly toxic to dogs (ASPCA).

Pet emergency

My dog ate Mustard Greens 'Red Giant' — what to do

Step by step

  1. Take mustard greens 'red giant' away and remove any plant material from your dog's mouth so they cannot eat more.
  2. Note roughly how much was eaten and when — this helps the vet judge the risk.
  3. Do NOT induce vomiting unless a vet or poison-control specialist tells you to.
  4. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 (a consultation fee may apply) and follow their advice.
  5. Watch for drooling, pawing at the mouth, vomiting, loss of appetite, or lethargy, and bring a leaf or photo to the appointment.

This is general guidance, not veterinary advice. Pets vary, and a reaction may be to soil, fertiliser, or pesticide as well as the plant. When in doubt, call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435.

My dog ate mustard greens 'red giant' — FAQ

Is mustard greens 'red giant' poisonous to dogs?

Yes — the ASPCA lists Mustard Greens 'Red Giant' (Brassica juncea var. rugosa 'Red Giant') as mildly toxic to dogs. The ASPCA lists 'White/Black/Yellow Indian Mustard' (Brassica species, family Brassicaceae) as toxic to horses, with isothiocyanates as the toxic principle causing gastrointestinal irritation and colic; it is not listed as toxic to cats or dogs. As Brassica juncea, treat 'Red Giant' as a caution: large amounts of raw mustard greens can irritate the GI tract of cats and dogs, so feed only sparingly and verify with a vet, and keep horses away from the crop and seed.

How serious is it if my dog ate mustard greens 'red giant'?

Mustard Greens 'Red Giant' is mildly toxic, so most dogs get short-lived mouth irritation, drooling, and vomiting rather than a life-threatening reaction. It is still worth a vet call to be safe, especially if your dog ate a lot or symptoms persist.

What symptoms should I watch for?

Signs usually appear soon after chewing: drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy. The ASPCA lists 'White/Black/Yellow Indian Mustard' (Brassica species, family Brassicaceae) as toxic to horses, with isothiocyanates as the toxic principle causing gastrointestinal irritation and colic; it is not listed as toxic to cats or dogs. As Brassica juncea, treat 'Red Giant' as a caution: large amounts of raw mustard greens can irritate the GI tract of cats and dogs, so feed only sparingly and verify with a vet, and keep horses away from the crop and seed. Any worsening or persistent symptoms warrant an immediate vet visit.

Should I make my dog vomit?

No — do not induce vomiting unless a vet or the ASPCA Animal Poison Control Center specifically tells you to. The wrong action can make things worse. Call (888) 426-4435 and follow professional advice.

How do I stop this happening again?

Keep mustard greens 'red giant' well out of reach, or swap it for an ASPCA non-toxic plant — see the best dogs-safe plants list.

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