I covered this a few years back, but it seems lots of people are forwarding us the warnings about cocoa mulch, and I thought it was definitely worthy of a blog post. There is a mulch sold by garden stores that is made from cocoa bean shells. It really does look good, has a lovely fine texture and smells fantastic, just like chocolate. The trouble is, just like chocolate, it contains both caffeine and the chemical that is toxic to dogs called theobromine. Though deaths from eating cocoa mulch are