The early gentian is a rare plant that is only found in the UK. It likes sunny, lowland chalk grasslands, its purple, trumpet-shaped flowers blooming in May and June.

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.

Greater celandine is a very common plant that spreads easily in the garden, on waste ground and in hedgerows. It is considered a weed, but the small, yellow flowers provide nectar for insects.

Hedge mustard is a tall plant with small, yellow flowers atop tough stems. It likes disturbed ground and grows in hedgerows and roadside verges, and on waste ground.

Cross-leaved heath is a type of heather that likes bogs, heathland and moorland. It has distinctive pink, bell-shaped flowers that attract all kinds of nectar-loving insects.

The pretty-in-purple Pasqueflower is now a rare plant in the UK, restricted to just a few chalk and limestone grasslands. Steeped in legend, it flowers at Easter, so is known as the 'anemone…

As the name suggests, the Common medium stonefly is found in gravelly upland rivers and streams, often on bankside stones and plants. There are 34 species of Stonefly in the UK, which are hard to…

A scrambling plant, Bush vetch has lilac-blue flowers. It is a member of the pea family and can be seen along woodland edges and roadside verges, and on scrubland and grassland.

A short, but pretty plant of unimproved grasslands, the Green-winged orchid gets its name from the green veins in the 'hood' of its flowers. Look for it in May and June.

The striking black-and-white checks of the marbled white are unmistakeable. Watch out for it alighting on purple flowers, such as field scabious, on chalk and limestone grasslands and along…

White dead-nettle does not sting. It displays dense clusters of white flowers in whorls around its stem, and can be found on disturbed ground, such as roadside verges.