abstract art artistic bloom blooming blue buttercup-family colored colorful colors coloured colourful colours contrast contrasting dark display distinctive edges flora floristry flower flowers foliage green Hellebore Hellebores Helleborus imaginative Lenten-rose light lines low-growing multicolored multicoloured paint painted painting perennials petals plant psychedelic-art Ranunculaceae red Rendered shrub toxic vivid Begonias blotched blotches blotching color coloration colour decorative diverse drought-tolerant exotic fancy-foliage fancy-leaf herbaceous leaves ornamental patterned plants shade shaded shady shape shaped shapes showy-foliage subtropical surface surfaces surfacing tactile texture textured textures tropical varied variegated varieties variety