is daffodil poisonous to dogs
Toxic Bulbs. Tulip and daffodil bulbs are both poisonous to dogs. Tulip bulbs contain lactones and daffodil bulbs contain lycorine. These toxic substances cause vomiting, diarrhea, drooling, irregular heart rate and breathing difficulties.Bulbs from many other spring flowers are also poisonous to your dog, in part because the toxins they contain are especially concentrated in the bulb.hese toxic substances cause vomiting, diarrhea, drooling, irregular heart rate and breathing difficulties. Bulbs from many other spring flowers are also poisonous to your dog, in part because the toxins they contain are especially concentrated in the bulb.