Hide your gardeners! Maria Conchita Alonso (Kingpin, Chasing Papi) has been cast on Desperate Housewives as Gabrielle's mother, Lucia, in an episode slated to air Feb. 19. In semirelated prime-time sudser news, Dynasty alum Emma Samms is returning to her daytime roots, reprising her role as General Hospital's Holly. (But how funny if GH had recast with Pamela Sue Martin?) For more on that, check out today's Soaps News column.