Aretioid dionysia, Dionysia aretioides, Mass of yellow flowers growing outdoor.

Korean aster, Kalimeris incisa 'Charlotte', White coloured flower with yellow stamen growing outdoor.

Mustard, Wild mustard, Sinapis arvensis, Yellow coloured flowers growing outdoor.

Mustard, Wild mustard, Sinapis arvensis, Yellow coloured flowers growing outdoor.

Canary Island Daisy, Asteriscus sericeus, Single yellow flower growing outdoor.

Canary Island Daisy, Asteriscus sericeus, Single yellow flower growing outdoor.

Canary Island Daisy, Asteriscus sericeus, Single yellow flower growing outdoor.

Corn marigold, Chrysanthemum segetum, Single yellow coloured flower growing outdoor.

Dahlia, Dahlia 'Starry Eyes - Red', Bright red coloured flower showing yellow stamen.

Dahlia, Dahlia 'Starry Eyes - Red', Bright red coloured flower showing yellow stamen.

Peony, Tree peony, Paeonia delavayi lutea, Close up of vivid yellow flower showing stamen outdoor.

Willow 'Golden Ness', Salix alba 'Golden Ness', Mass of yellow stems growing outdoor.