Cider gum, Eucalyptus gunnii, small sprig of mature leaves against white background with shadow.

Hyacinth, Hyacinthoides orientalis 'Blue pearl', single stem against a solid black background.

Easter lily, Lilium longiflorum, single flower hanging down against a flat green background.

Easter lily, Lilium longiflorum, single flower hanging down showing stamen inside with light green background.

Pink or Clove pink, Dianthus 'Pike's pink', several fringed, double, pale pink flowers with magenta centres.

Apple, Malus domestica 'Fiesta' blossoms on twigs.

Buddleja, Buddleja davidii, growing onm urban brick wall in London.

Rose, Rosa 'The generous gardener', a single bud close up with soft focus background.

Rose, Rosa 'The generous gardener', a single bud close up with soft focus background.

Giant chinese quince, Chaenomeles cathayensis. A cluster of ripe fruit on a branch in autumn.

Coffee, Coffea arabica, close up of flower with beans forming behind.

Crambe, Crambe cordifolilia, detail of flowers growing on the plant outdoor.

Cider gum, Eucalyptus gunnii, small sprig of mature leaves against white background with shadow.

Hyacinth, Hyacinthoides orientalis 'Blue pearl', single stem against a solid black background.

Easter lily, Lilium longiflorum, single flower hanging down against a flat green background.

Easter lily, Lilium longiflorum, single flower hanging down showing stamen inside with light green background.

Pink or Clove pink, Dianthus 'Pike's pink', several fringed, double, pale pink flowers with magenta centres.

Apple, Malus domestica 'Fiesta' blossoms on twigs.

Buddleja, Buddleja davidii, growing onm urban brick wall in London.

Rose, Rosa 'The generous gardener', a single bud close up with soft focus background.

Rose, Rosa 'The generous gardener', a single bud close up with soft focus background.

Giant chinese quince, Chaenomeles cathayensis. A cluster of ripe fruit on a branch in autumn.

Coffee, Coffea arabica, close up of flower with beans forming behind.

Crambe, Crambe cordifolilia, detail of flowers growing on the plant outdoor.

Blackthorn or Sloe, Prunus spinosa, blossom on bare wood twigs against a blue sky.

Blackthorn or Sloe, Prunus spinosa, blossom on bare wood twigs against a blue sky.

Beech, European beech, Fagus sylvatica, leaves and twigs seen from underneath, in sunlight against a blue sky. Close view of several leaves.

Beech, European beech, Fagus sylvatica, leaves and twigs seen from underneath, in sunlight against a blue sky.

Tangle of discarded orange nylon string caught in bare bramble twigs.

Common oak, Quercus robur, leaves infested with the common spangle gall caused by the cynipid wasp.

Bronze fennel, Foeniculum vulgare 'Purpureum', mustard yellow flowers on tall blue green stalks, combined planting with Brazilian verbena, Verbena bonariensis.

Bronze fennel, Foeniculum vulgare 'Purpureum', mustard yellow flowers on tall blue green stalks, combined planting with Brazilian verbena, Verbena bonariensis.

Bronze fennel, Foeniculum vulgare 'Purpureum', mustard yellow flower in soft focus and a red ladybird on the fine leaf.

Opium poppy, Papaver somniferum, seedhead on a single stem that has bent sideways, towards the left.

Opium poppy, Papaver somniferum, seedhead on a single stem that has bent sideways, towards the right.

Opium poppy, Papaver somniferum seedhead on a single stem that has bent sideways, towards the left.