natural hedge made of senna artemisioides shrubs

hedge barrier senna artemisioides cassia artemisiifolia feathery silver screen lacey shrub lush plant wispy evergreen woody leaflets perennial vigorous upright billowing brittle foliage pinnately needlelike fragrant flowers bean pods spring urban landscape accent droughttolerant lacy xeriscaping toxic growing australian bloom blossom botanical bush floral flowering gardening natural nature ornamental outdoors vibrant yellow sky blue