When to plant oriental poppy seeds. Once the seeds sprout in a couple of weeks thin seedlings to about 6 apart. Poppies give a soft appearance to landscaping with delicate petals and multiple colored varieties which bloom two times each year. Seed grown plants will likely not bloom until their second growing season. Poppy seeds can be scattered directly on the surface of the soil in spring or early fall where they will receive the sunlight they need to germinate.
Some cultivars are labeled for zones up to 9 but generally the plant does not prefer high heat and humidity. So based on their growth habits spring and fall answers the question of when is the best time to plant oriental poppies and the rule of green thumb is spring where the winters are cold and fall where the winters are warm. Oriental poppy will grow in any normal temperature and humidity conditions within planting zones 3 to 7. The oriental poppy is a beautiful plant for perennial flower gardens.
Oriental poppies are one of the most brilliant herbaceous perennials to grace the early summer garden. When talking about how to grow oriental poppy we should begin with propagation. Some varieties will only stay in bloom one day although with enough buds you should get at least 3 days of bloom. The bloom period for oriental poppies is brief but exquisite in early summer.