Flowers are a great gift to commemorate occasions such as anniversaries and birthdays; beautiful flower arrangements bring to mind thoughts of happiness, love and help strengthen relationships every day. Flowers are a lot of things, but did you know some are poisonous? That's right, the beautiful flowers growing in your backyard, neighborhood and local park could be hiding a sinister poison that can stop your heart inside of a few hours. Some are so toxic that simply inhaling their fragrance or coming into contact with your skin can be enough bring you to your knees. This infographic guide will take you on an informational tour through the Devil's Greenhouse to show you the most poisonous flowers in the world, where to find them, and what effects their toxins can have on you.