Blue bugloss, Echium callithyrsum, Close up of blue flower growing outdoor with red Admiral Butterfly.

Scabious, Scabiosa caucasica 'Butterfly blue', Side view of mauve coloured flowers growing outdoor.

Lavender, Lavandula augustifolia. Spikes of small, purple blue flowers with Large White butterfly, Pieris brassicae in sunlight.

Lavender, Lavandula augustifolia. Spikes of small, purple blue flowers with Large White butterfly, Pieris brassicae in sunlight.

Buddleja Davidii. Long, curved panicles of small, purple or lilac flowers against blue sky. Flowers are open at end, finishing and browning as they extend towards stem.

Lantana, Lantana camara.

Pincushionflower, Scabiosa columbaria 'Butterfly blue'.

Lilac, Syringa vulgaris.

Marigold, Calendula officinalis.

Pincushion-like flowerhead of Scabiosa columbaria.

Spherical seedhead of Scabiosa columbaria Butterfly blue.

Pincushion-like flowerhead of Scabiosa columbaria Butterfly blue.