As its name suggests, Red bartsia does have a red tinge to its stem, leaves and small flowers. Look for it on roadside verges, railway cuttings and waste ground in summer.

An inconspicuous tree for much of the year, the Field maple comes to life in autumn when its lobed leaves turn golden-yellow and its winged fruits disperse in the wind. Look for it in hedges and…

Also known as 'Raspberries and Cream', Hemp-agrimony displays 'frothy' clusters of tiny, pink flowers on top of long, reddish stems. Its leaves look like those of Hemp,…

Herb-Paris has four oval leaves set in a cross, with an understated crown of yellow-green flowers rising from the middle. This makes it quite a distinctive plant of ancient and damp woodlands on…

The Sitka spruce was introduced into the UK from North America in the 19th century. It has been widely planted as a forestry tree; look for classic needle-like leaves and pale brown, domed cones…

An inconspicuous tree for much of the year, the Wild service tree comes to life in spring, when it displays pretty, white blossom, and autumn, when its Maple-like leaves turn bright crimson.