|'Forrestii' has large, yellow flowers that are very abundant in late summer. The leaves are coarse, gray-green, sometimes becoming bronzed and chlorotic in late summer sun. Habit is low and mounding.
Bushy, compact, deciduous shrub with pinnate leaves. Flowers are saucer shaped and come in a variety of colors, yellow being most common. These hardy plants flower continuously from June through October with little preference to soil or water conditions.