spinach

I find it ironic - okay, I find it slightly hilarious - that the house plant which results in the most calls to poison control centers is called the Peace Lily. Next on the list is Pokeweed - which people have a bad habit of mistaking for other edible wild plants - followed by two holiday favorites, poinsettias and holly plants. As the Peace Lily is popular at Easter, one could conclude that holiday plants are particularly dangerous. But there's actually a more interesting - if less amusing - background to such risks. Most of the calls, of course, aren't funny at all. They concern curious…