Viola, close up of the purple coloured flowers.

Daisy, Blue daisy, Felicia amelloides.

Daisy, Blue daisy, Felicia amelloides.

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.

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

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

Lewisia, Siskiyou lewisia, Lewisia Cotyledon Hybrids, close up of purple flowers.

Knapweed, Black knapweed, Centaurea nigra.

Honesty, Perennial honesty, Lunaria rediviva, close up of a cluster of small flowers.

Spurge, Mediterranean spurge, Euphorbia characias wulfenii.