Q: I live in the country, and my cat sometimes ventures off my deck on nice days. I am planning a garden and want to choose plants that won’t poison my cat if he nibbles them. What do you suggest? A: I’m sure your cat will thank you if you plant some catnip, cat mint, cat thyme, or cat grass. Other pet-safe plants are begonias, bachelor buttons, camellias, cockscombs, hens and chicks, ice plants, marigolds, snapdragons, and zinnias. Avoid chrysanthemums, clematis, coleus, daffodils, foxglove, geranium, hibiscus, hosta, hyacinths, ivy, lilies, lily of the valley, peonies, tulips, and vinca. For a comprehensive list and photos of pet-safe garden plants, visit the Animal Poison Control Center at ASPCA.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants. Be choosy about the other components of your garden, too. For example, cocoa bean mulch is toxic if ingested, because it contains theobromine and caffeine, which can cause vomiting, diarrhea, elevated heart rate, and …