Viola, close up detail of the centre of a yellow coloured flower.

Viola, close up detail of the centre of a yellow coloured flower.

Viola, close up of the brightly coloured flowers.

Viola, close up of the brightly coloured flowers.

Viola, close up of the brightly coloured flowers.

Viola, close up of the purple coloured flowers.

African daisy, Osteospermum jucundum, growing outdoors.

Nemesia, Nemesia 'Amelie', close up of the purple flowers.

Daffodil 'Jack the Lad', Narcissus 'Jack the Lad', yellow flowers growing outdoors against a blue sky.

Daffodil 'Jack the Lad', Narcissus 'Jack the Lad', yellow flowers growing outdoors against a blue sky.

Musk thistle, Carduus nutans, purple spikey flower.

Grape hyacinth, Muscari botryoides 'Superstar', close up of the blue flowers.