Root Awakening: Brown spots could be scale insects The Straits Times Plant Spider Lily Bulbs in Containers for an Unusually Beautiful Fall Bloom And Elevated Curb Appeal Giant Marigold Seeds Etsy 16 Succulent Planter Ideas With Plant Recommendations 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.