I don’t know about you, but my cats are crazed for grass. Cat grass, yard grass… the moment decent weather hits their inner Holstein kicks in and they’re chowing down on the green stuff every chance they get. Of course, the difference between cows and cats is that with the latter, it’s always followed by retching and heaving the moment they come indoors. So, with this known outcome in mind, what is it about these grasses that is so enticing to cats? And what’s a safe substitute for when winter weather prevents backyard noshing? Let’s start with a bit of a backgrounder.