As soon as your bearded dragon approaches adulthood, its appetite starts to vary. Some will start consuming more vegetables before six months of age, whereas others might take longer. As your can bearded dragons eat plum skin dragon grows older, it should gently begin eating extra of the vegetables. There are certain cases the place matured bearded dragons won’t eat vegetables, but it is because they have been fed with too many insects, thus keeping them happy, and/or they are being fed with vegetables they don’t like.