Blueberry, Vaccinium, Stem of bush showing flowers in various stages of opening.

Blueberry, Vaccinium, Stem of bush showing open flowers.

Blueberry, Vaccinium, Stem of bush showing open flowers.

Blueberry, Vaccinium 'Patriot'.

Foxglove, Digitalis purpurea.

Heather, Calluna vulgaris.

Lavender, Lavandula augustifolia.

Pomegranate, Punica granatum.

Cornflower, Centaurea cyanus.

Lettuce, Lactuca sativa.

Lettuce, Lactuca sativa.

Lettuce, Lactuca sativa.

Iris, Bearded iris, Iris germanica.

Teasel, Dipsacus fullonum.

Rhubarb, Rheum rhabarbarum.

Love-in-a-mist, Nigella damascena.