The ragged-edged, purple flower heads of Greater knapweed bloom on sunny chalk grasslands and clifftops, and along woodland rides. They attract clouds of butterflies.

Broom is a large shrub of heaths, open woodlands and coastal habitats. Like gorse, it has bright yellow flowers, but it doesn't have any spines and smells of vanilla.

A sure sign that spring has arrived, the Cuckooflower blooms from April. Look out for its delicate, pale pink flowers in damp meadows and ditches, and on riverbanks.

Bell heather is our most familiar heather. In summer, it carpets our heaths, woods and coasts with purple-pink flowers that attract all kinds of nectar-loving insects.

Look for the star-like, feathery, white flowers of Bogbean in ponds, fens, bogs and marshes. It is so-named because its leaves look like those of broad beans.

Look for the White water-lily in still and slow-moving water, such as ponds, ditches, lakes and canals. Its lily pads and massive, white flowers float at the water's surface.

Look for the Yellow water-lily in still and slow-moving water, such as ponds, ditches, lakes and canals. Its lily pads and cupped, yellow flowers float at the water's surface.

Pineappleweed is an introduced species that has become a widespread 'weed' of disturbed ground, such as pavements and roadsides and gardens. It has feathery leaves and yellow flower…

Look for common toadflax on waste ground and grassland, and along roadside verges and hedgerows. Its yellow-and-orange flowers are tightly packed on a tall spike and have distinctive 'spurs…

Often growing in swathes along a roadside or field margin, the oxeye daisy is just as at home in traditional hay meadows. The large, white, daisy-like flowers are easy to identify.

A scarce tree of central and southern England, in particular, the Small-leaved Lime can be found in ancient woodland. It is has sweet-smelling flowers in summer and nut-like fruits in autumn.

Easily recognised in its beach habitat, the Yellow horned-poppy is so-named for its long, curving seedpods that look like horns! Look for golden-yellow flowers in June.