Close up Agapanthus Deep Blue flower.

Close up of Agapanthus Africanus flower.

USA, California, Sequoia National Park, A Yucca Whippleb Percusa flower.

England, London, Entrance to the 2012 RHS Chelsea Flower Show.

England, London, The 2012 RHS Chelsea Flower Show.

Mexico, Puebla, Colourful architectural detail of French window with pink painted frame set against blue painted exterior wall with balcony and pot plants.

Vietnam, Painting of Vietnamese agricultural workers planting rice plants in a paddy field.

England, London, Stratford, View of the 2012 Olympic Stadium with meadow planting in the foreground.

England, London, Stratford, View of the 2012 Olympic Stadium with meadow planting in the foreground.

England, London, Stratford, View of the 2012 Olympic Stadium with meadow planting in the foreground.

England, London, Stratford Olympic Park, Naturalistic meadow planting using per-annual plants from around the world.

England, London, Stratford, Olympic Stadium, Naturalistic meadow planting using per-annual plants from around the world.