Japanese knotweed
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…
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Chwilio
Musk mallow
Musk mallow has pretty pink flowers that can be seen along roadside verges, hedgerows and field margins in summer. It lives up to its name, producing a delicate, musky smell that increases indoors…
Pyramidal orchid
The pyramidal orchid lives up to its name - look for a bright pinky-purple, densely packed pyramid of flowers atop a green stem. It likes chalk grassland, sand dunes, roadside verges and quarries…
Red valerian
Red valerian was introduced in the 1600s from Europe, but is now naturalised in the UK. Its pinky-red flowers grow from old walls, roadside verges, railway cuttings and cliffs, and provide nectar…
Bramble
The bramble is the thorny shrub of hedges, woods and scrub that gives us delicious blackberries in autumn. Gathering wild food can be fun, but it's best to do it with an expert - come along…
Brown-lipped snail
The brown-lipped snail comes in many colour forms, but usually has a brown band around the opening of its shell. It prefers damp spots in wide range of habitats, from gardens to grasslands, woods…
Spear thistle
A common plant of disturbed ground like roadside verges and field edges, the spear thistle has purple, fluffy flower heads that appear in summer. Its flowers attract insects and its seeds feed…
White-lipped snail
The white-lipped snail comes in different colour forms, but always has a white band around the opening of its shell. It prefers damp spots in wide range of habitats, from gardens to grasslands,…
My observatory
Bill has spent much of his life on Hampstead Heath. Although he feels like he's miles away from anywhere, a break in the trees offers one of the best views of London City - when it's…
Beech and yew wood
Soaring beech trunks and a feeling of spaciousness mean that these woods have often been likened to cathedrals. Dense shade means that little grows on the thick layer of fallen leaves underfoot,…
How to create a mini pond
Even a small pond can be home to an interesting range of wildlife, including damsel and dragonflies, frogs and newts. Any pond can become a feeding ground for birds, hedgehogs and bats – the best…
Common couch
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…