Believe it or not, many gardeners continue to plant perennials well into the fall. Many bulb varieties can still be planted as late as November, including tulips, hyacinths, bluebells, grape hyacinths ...

Laura Russo received funding from Bayer's Feed-A-Bee Program. Bayer did not influence the design of the research or the writing of this article. In order to reproduce, most flowering plants rely on ...