Yucca is a native perennial so it is wildlife and disease resistant. The older the plant is, the better it looks.
Yucca: A Powerful Perennial Perfect for Xeriscaping
Russian Sage – (Perovskia)
Russian Sage or Perovskia Atriplicifolia The value of the majestic Russian Sage in the fall garden is underestimated. Many gardeners shrugged their shoulders in an “oh well” attitude about the beauty of this fine perennial and only tried Russian Sage out because it won the Perennial Plant of the Year award in 1995. Then they discovered Russian Sage’s many useful and positive attributes to the garden. The shrub-like proportions of Perovskia became the first reality check of its value. Russian Sage takes the place of a regular shrub without the tedious waiting for a traditional shrub to grow. It is an excellent perennial for commercial landscapes without needing the constant...