Is Prunus maackii toxic to dogs?

Yes — prunus maackii is toxic to dogs according to the ASPCA. Keep it well away from any dog that chews plants; reactions can be significant. Toxic to dogs and cats. The ASPCA lists choke cherry and other cherries (Prunus) as toxic; the toxic principles are cyanogenic glycosides in the leaves, stems and seeds, releasing cyanide when chewed (especially in wilting material). Signs include brick-red gums, dilated pupils, panting, difficulty breathing and shock.

Toxic to dogs and cats. The ASPCA lists choke cherry and other cherries (Prunus) as toxic; the toxic principles are cyanogenic glycosides in the leaves, stems and seeds, releasing cyanide when chewed (especially in wilting material). Signs include brick-red gums, dilated pupils, panting, difficulty breathing and shock. Signs usually appear soon after chewing rather than hours later — watch for drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy after your dog has had access to prunus maackii.

Stay calm. Remove any plant from your dog's mouth and take the plant away. Note how much was eaten and when, and do not induce vomiting unless told to. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice; a leaf or photo helps the vet treat it correctly.

The ASPCA classification Growli uses applies to both cats and dogs: Prunus maackii is toxic to cats as well. See the full prunus maackii pet-safety guide for both species.

For a similar look without the risk, see the best dogs-safe plants list — every plant there is ASPCA non-toxic to cats and dogs.