Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from…

Often overlooked, Lesser centaury is a tiny plant of grassy, open habitats like dunes, cliffs, heaths and grasslands. As its name suggests, it is much smaller than its relative, Common centaury.…

A late-blooming flower, Meadow saffron looks like a crocus, displaying similar pink flowers once its leaves have died back. It is a highly poisonous plant of meadows and woodland rides and…

The pink, frayed flowers of Ragged-robin are an increasingly rare sight as our wild wetland habitats disappear. You can help: grow native plants in your garden and enjoy the hum of visiting…

Living up to its name, the Robin's pincushion is a red, round, hairy growth that can be seen on wild roses. It is caused by the larvae of a tiny gall wasp that feeds on the host plant, but…

Saw-wort gets its common name from the serrated, saw-like edges to its leaves. It is a plant of unimproved hay meadows and woodland edges, its purple, thistle-like flowers appearing over summer.…

These pretty black and red moths are often confused for butterflies! Their black and yellow caterpillars are a common sight on ragwort plants. The caterpillar’s bright colours warn predators not…

Dittander is a herb of coastal saltmarshes and damp ground. Its waxy leaves and long roots help it to survive in this harsh environment. Due to its peppery taste, it has also become a popular…

Common couch is a tall, tuft-forming grass of roadside verges, waste ground and arable land. It is very tough and can shade out more delicate plants. Look for flat, blade-like leaves and thin…

A very rare ant, once found on heathland across southern England but now restricted to Scotland and Devon. It constructs distinctive thatched nests in open areas at the edges of scrub, and forages…