Annual and perennial flowering plants that have striking similarities, but a surprising range of colours and growth habits. It is easy to grow poppies from seeds. You will find they grow and then self-sow with abandon, without becoming weedy. Simply pull up unwanted plants (an easy task) before they bloom, s or better yet, let them tell you where they want to grow. They will thrive for years at a time in surprising spots, like a crack in the driveway.