Bare in mind that bleach may damage the quills, making them brittle and susceptible to … A lot of people don’t like them, so it’s not a good idea to attract them to where there’s a lot of human activity. Too much water is bad for it. Messages: 628 Likes Received: 189 Location: Middleville, MI. One of the major signs that a porcupine is living in a hole is a pile of feces at the entrance. That’s one thing this type of grass does not suffer from. As an herbivore, the porcupine’s diet varies by season, according to the availability of plant foods. Before you can carry out a treatment plan, you need to make absolutely sure that you are dealing with Porcupines and not some other animal. But porcupines gnaw only deep enough to feed on the nutritious cambium. We do manage to get a red squirrel in a catch and cook which we add to our smoked fish. Copyright © Gardenerdy & Buzzle.com, Inc.