Spinach, Spinacia oleracea, Close-up detail of a green vegetable leaf in sunlight.

Nasturtium, Tropaeolum majus, Close up of green leaves showing the white veins.

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

Rose mallow 'Blue Bird', Hibiscus syriacus 'Oiseau Bleu', A single purple blue flower with white stamens.

Rose mallow 'Blue Bird', Hibiscus syriacus 'Oiseau Bleu', Purple blue buds opening among green leaves on a shrub.

Allium sphaerocephalon, A single purple spherical flower on a stem isolated in shallow focus against green leaves.

Montbretia, Crocosmia 'Lucifer', Branched spike with emerging showy funnel-shaped red flowers isolated in shallow focus against a green and grey background.

Montbretia, Crocosmia 'Lucifer', Branched spike with emerging showy funnel-shaped red flowers isolated in shallow focus against a green and grey background.

Fennel-leaved peony, Paeonia tenuifolia 'Rubra Flora Plena' growing in garden with rocks and gravel in Canada, Alberta, Lethbridge.

Palm, Fan palm, Abstract view of folds of a palm leaf creating steps or ridges.

Coleus, Solenostemon scutellarioides 'Bone Fish', Deeply cut, long slender red-pink veined leaf with lime-gold edges.

Field maple, Acer campestre, Single orange green colour spring leaf against white background.