Winter windflower, Anemone blanda, purple flower shot from underneath against a dappled blue background.

Winter windflower, Anemone blanda, curved back purple petals reveal yellow stamens against a dappled blue background.

Winter windflower, Anemone blanda, purple flower shot from underneath against a dappled blue background.

Viola, blue and yellow flowers in a clear vase of water against a dappled soft focus background.

Iris, Bearded iris, detail showing yellow and black markings on a blue flower.

Alstroemeria 'Perfect blue', flowers against soft focus background.

Wood sage, Salvia x sylvestris 'Blauhugel'.

Wild Poppy, Papaver rhoeas, close up on a few, with blue sky behind.

Wild poppy, Papaver rhoeas, field of flowers with blue sky behind.

Wild poppy, Papaver rhoeas, field of flowers growing either side of a mown track, with blue sky behind.

Wild poppy, Papaver rhoeas, field of flowers growing either side of a mown track, with blue sky behind.

Catmint, Nepeta 'Six Hills Giant', flowering stems, shallow focus.