Cathy Isom fills you in about some gorgeous houseplants that are safe for your favorite four-legged friends. That’s coming up on This Land of Ours. It’s pretty common for dogs, especially pups, to chew on our houseplants. Avoid potential catastrophe by only keeping non-toxic plants in the house. There are many. Such as Tillandsias. Or, these common fern plants: Boston Fern, Staghorn …