Robert, Plant the bulb as soon as you can; It willforms roots during the winter and leaves will show at trhe end of the winter. The Lycris is fairly hardy as there are no leaves during the winter. Greetings Lauw de Jager Bulb'Argence Mas d'Argence 30300 Beaucaire Email: email@example.com http//.http://www.bulbargence.com/ >I just received three nice rootless bulbs. Should I put them in now or wait >till sometime in spring? I read from one source that I should wait till >after the last frost, which here in my neck of 7b, is generally April 15th.