Q: I don't have a green thumb, but still like to have greenery in the house. How can I use silk plants in an arrangement?A: (DIY crafts expert Debbie Stapely) I will never give up on trying to keep my house full of live plants, but it's nice to have at least a handful of "plants" that you never have to worry about. So here's how to make a topiary using silk plants. Even at eye level, this one appears to be real because of the way we're arranging it.