OSOS Korea Bamboo 60 Artificial Potted Plant Artiplanto Complete Guide to Starting Zinnia Seeds Indoors Lettuce Grow Something 3 Beautiful DIY Artificial Plants for Outdoors with Sparkling Solar Lights Remodelaholic Cool Succulent Hanging House Plants Black Gold 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.