Annual plant delphinium Dianthus flower flowering plant Loosestrife and pomegranate family petal Pink family plant Purple loosestrife banks canal England english flowers Great Britain Lythraceae Lythrum salicaria nature peaceful plants river summer Sussex tranquil vegetation water waterway wild abundant flowering loosestrife many purple spike stem tall trees bells blooming broomrape Digitalis flourish foxglove garden garden scene gardening Germanders green groundcover magenta medicinal monkshood verbascum backdrop background blossom blossoms bush bushes clary herb pink spring subshrub beardtongue digitalis plant Terrestrial plant