Hanging Mixed Succulent Terrarium Wayside Gardens 3 Beautiful DIY Artificial Plants for Outdoors with Sparkling Solar Lights Remodelaholic 10 Succulent Plants Toxic to Cats, Dogs, or Pets Succulent Plant Care Plant your poppies when it's cold! Poppy seeds require a period of cold to germinate and grow, so they generally do best when planted in the late fall or early spring. Outsidepride Common Primrose Seeds White 200 Seeds Cool Succulent Hanging House Plants Black Gold