A small and delicate plant of chalk grasslands, Fairy flax can be seen in bloom from May to September - look out for its nodding, white flowers.

Sea lettuce is unmistakeable - most often a bright green and always translucent, it is found on all UK coasts.

In May, our hedgerows and woodland edges burst into life as Midland hawthorn erupts with masses of pinky-white blossom. During the autumn, red fruits known as 'haws' appear.

The lime hawk-moth is a large, night-flying moth that can be seen from May to July in gardens, parks and woods. It is buff-coloured, with green patches on its scalloped-edged wings.

The common mussel is a familiar sight on shores all around the UK and is a favourite food of people, seabirds and starfish alike.

Bittersweet is a nightshade, so is toxic; its bright red berries may be tempting, but can cause serious illness. Found in hedgerows and gardens, it has purple flowers with yellow stamens.

Unsurprisingly, the chalkhill blue can be found on sunny, chalk grassland sites in southern England. Clouds of this beautiful blue butterfly may be seen fluttering around low-growing flowers.

Horseshoe vetch is a member of the pea family, so displays bright yellow, pea-like flowers and seed pods. Look for this low-growing plant on chalk grasslands from May to July.