Sage, Salvia guaranitica 'Blue Enigma', Side view of several stems with lipped blue flowers.

Grass, Low close view of lawn or meadow against a blue sky.

Rose, Rosa 'Grand Prix', Single stem red rose with leaves in glass vase against mottled blue wall.

Delphinium, Close view of 2 stems with multiple blue flowers with cream centres.

Blackthorn, Sloe, Prunus spinosa, Close up showing the bluew coloured berries.

Grass Leaved Scabious, Scabiosa graminifolia, Several papery globe shaped seedheads.

Grass Leaved Scabious, Scabiosa graminifolia, Several papery globe shaped seedheads.

Grass Leaved Scabious, Scabiosa graminifolia, Several papery globe shaped seedheads.

Cactus, Mexican Giant Cardon, Pachycereus pringlei, Close up blue duotone colour.

Cactus, Mexican fence post cactus, Pachycereus Marginatus viewed from below against a blue sky with wispy clouds.

Quesneoa laboniana, aerial view of flower in bud with blue tipped pink coloured buds.

Fleabane, Erigeron 'Azure beauty', Close up of two daisy shaped flowers.