Sea holly, Eryngium variifolium close up of flower.

Sea holly, known as Miss Wilmott's ghost, Eryngium giganteum.

Foxglove, Digitalis purpurea, close up showing pattern inside flowers.

Carthusian pink, Dianthus carthusianorum, close up of flowers.

Carthusian pink, Dianthus carthusianorum close up of flowers against pale grey background.

Carthusian pink, Dianthus carthusianorum, close up of flowers.

Carthusian pink, Dianthus carthusianorum, close up of flowers.

Carthusian pink, Dianthus carthusianorum, close up of flowers.

Flowering dogwood, Cornus florida, single flower with others in soft focus behind.

Flowering dogwood, Cornus kousa flowers.

Clematis 'Ascotiensis', close up showing stamens.

Clematis 'Ooh la la', 2 overlapping flowers.