POISONOUS FLOWERS

Aconite (wolfsbane, monkhood)
Anemone (windflower) 
Anthurium 
Atamasco lily  
Autumn crocus
Azalea
Baneberry 
Black locust 
Bloodroot 
Boxwood
Burning bush 
Buttercup
Butterfly Weed (Asclepias Tuberosa) 
Caladium 
Calla 
Carolina jasmine
Castor bean 
Cherry laurel 
Chinaberry (bead tree) 
Christmas rose 
Clematis 
Daffodil  
Deadly nightshade 
Death cammas (black snakeroot) 
Delphinium (larkspur)
Dogbane 
Dumbcane (Dieffenbachia) 
Elephant ears 
False hellebore
Four o'clock (Mirabilis) 
Giant elephant ear
Gloriosa lily 
Golden chain tree 
Goldenseal 
Heavenly bamboo  
Henbane (black henbane)
Horse chestnut (Ohio buckeye) 
Horse nettle 
Hyacinth 
Hyacinth bean 
Hydrangea
Iris
Ivy (English ivy) 
Jack-in-the-pulpit 
Jerusalem cherry 
Jessamine (jasmine) 
Jetbead (jetberry) 
Jimson weed (Datura) 
Jonquil  
Kentucky coffee tree
Lantana
Leopard's bane 
Lily of the valley 
Lobelia (cardinal flower, Indian tobacco) 
Marsh marigold  
May apple
Mescal bean (Texas mountain laurel) 
Mistletoe 
Morning glory 
Mountain laurel 
Nightshade 
Oleander
Periwinkle (myrtle, vinca)
Philodendron 
Pittosporum  
Poison hemlock
Potato 
Privet  
Rhododendron 
Rock poppy (celandyne) 
Schefflera 
Spring adonis 
Spurge 
Star of Bethlehem 
Sweet pea 
Tobacco Nicotiana 
Trumpet flower 
Water hemlock 
Wild cherry (black cherry) 
Wisteria 
Yellow allamanda 
Yellow oleander 
Yesterday-today-and-tomorrow