Pretty Toxic Flowers

"You're toxic, I'm slippin' under With a taste of a poison paradise I'm addicted to you Don't you know that you're toxic? And I love what you do Don't you know that you're toxic?" - Britney Spears (lyrics from Toxic) Azaleas and rhododendrons were once so infamous for their toxicity that to receive a bouquet of their flowers in a black vase was a well-known death threat.