5-7 ft. wide x 5-7 ft. tall. Silver Leaf Rabbitbrush (Chrysothamnus nauseosus La Plata) is a showy, native shrub with finely-textured silver-gray foliage and an eye-catching display of golden-yellow flowers. A garden stand-out, the late-summer-early fall blooms are sure to draw a cloud of butterflies to your yard. (Ericameria nauseosa)