Marigold, Calendula officinalis. Close front view of one open orange flower with leaves behind. Selective focus.

Carrot, Wild carrot, Daucus carota. Side view of one seedhead with umbels of small hairy seeds and a flower soft focus behind.

White mustard, Sinapis alba, Often grown as green manure, Side view of two stems with yellow flowers and buds with others behind.

Barley, Grain crop growing in field with bus sky above.

Barley, Grain crop growing in field with bus sky above.

Barley, Grain crop growing in field with bus sky above.

Spinach, Spinacea oleracea 'Amazon' growing in rows with bare earth in between, Top view.

Plum, Prunus domestica 'Blue tit', Cluster of white blossom with small leaves on a single twig.

Plum, Prunus domestica 'Blue tit', Cluster of white blossom with small leaves on a single twig.

Plum, Prunus domestica 'Blue tit', Cluster of white blossom with small leaves on a dark twig with others around, Against blue sky.

Butterhead lettuce, Lactuca sativa ' Imperial Winter', Top view of a few heads of lettuce close together forming an overall pattern.

Blackthorn, Prunus spinosa, Abundant harvest of purple sloe berries and a few leaves from the shrub.