Mistletoe Flowers & poisonous plants for dogs to avoid English Ivy Agapanthus Carnation Baby’s Breath (Gypsophila) Chrysanthemums Gladiolas Boxwood Pothos Ivy Flowers & poisonous plants for dogs to avoid Foxglove Cyclamen Holly Foxglove Cala Lily Rhododendron Kalanchoe Juniper Sago Palms Flowers & poisonous plants for dogs to avoid Scheifflera Hyacinth Amaryllis Peony Crocus Aster Clematis Delphinium Oleander Cyclamen Daffodil (Jonquil) Lantana Dumb Cane (Dieffenbachia) Hydrangea Freesia Larkspur Tulip Azalea (in large amounts) Poinsettia Plants that can cause illness Azalea (in small amounts) Flowers & poisonous plants for dogs to avoid Morning Glory http://www.1stinflowers.com/articles/poison...