Then again you can sow your seeds in the spring, a period which is traditionally used for starting off new plants. As the hotter months develop, sprout seeds on warm windowsills or in cool frames, ensuring that they are shielded from frosts. Whilst those poppy seeds started in the fall will have gotten lethargic over the winter months, you’ll see that spring-sown seeds develop quickly until in full blossom. Lasting favorites may take a few years to develop but you’ll see that yearly specimen seem to sprout directly in front of you. Also, by sowing in both the fall and spring you can ensure that your poppy bloom seeds are soon filling your garden with color.