Primrose, Primula 'Appleblossom', Overhead view of one cream flower flushed with pink and a yellow centre, surrounded by a neat rosette of green leaves.

Primrose, Primula 'Appleblossom', Overhead graphic view of three flowers flushed with pink and a yellow centre, surrounded by green leaves.

Primrose, Primula 'Delia mix', Overhead graphic view of one cream flower with a pink ring and yellow middle, surrounded by a neat rosette of green leaves.

Primrose, Primula 'Delia mix', Overhead graphic view of one cream flower with a pink ring and yellow middle, positioned in the centre surrounded by a neat rosette of green leaves.

Nasturtium, a Tropaeolum majus cultivar, Close view of two leaves with droplets, one large droplet in the centre.

Glaucus echeveria, Echeveria secunda var, glauca, Graphic, overhead, cropped view of part of two rosettes of grey-green leaves flushed pink at their edges.

Glaucus echeveria, Echeveria secunda var, glauca, Graphic, overhead, cropped view of a rosette of grey-green leaves flushed pink at their edges.

Cow parsley, Anthriscus sylvestris, Top view of masses of white flowers and leaves,

Cow parsley, Anthriscus sylvestris, Top view of several white flowers and fern shaped leaves forming a patern,

Water lily, Nymphaea cultivar, Close view of one pink magenta flower with yellow stamens and leaves behind

Tulip tree, Liriodendron tulipifera 'Fastigiatum', Close top view of one flower with green and orange petals and long orange stamens among green leaves.

Himalayan blue poppy, Meconopsis regia, Close view of overlapping leaves forming a pattern, Masses of fine hairs causing water droplets to be raised off the leaves.