Growing Tomatoes in a Container Gulley Greenhouse DIY Insecticidal Soap for Pest Control gardeningindoors Growing Cucumbers Jessie Anne Keith Garden Writer Butter Pecan Cookies Yum! Don't forget to SAVE this recipe for later 1 cups pecans halves 1 cup unsalted butter 2 cups White Lily All Purpose 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.