Why Forage With the Seasons

There is something quietly satisfying about filling a basket with food you have found yourself. Britain's hedgerows, woodland edges and old lanes are among the richest foraging grounds in Europe, thanks to our mild, damp climate and the patchwork of field boundaries that have survived for centuries. The trick is to work with the calendar rather than against it. Each plant has a narrow window when it is at its best, and learning that rhythm is half the pleasure. Pick in the wrong week and you will find flowers gone over or fruit sharp and hard; pick in the right one and you will taste the countryside at its finest.

Before you set out, a word that matters more than any recipe: never eat anything you cannot identify with complete certainty. Take a good field guide, start with the three or four plants you know well, and add new ones slowly. If in doubt, leave it out.

Early Summer: Elderflowers

From late May into June, elder (Sambucus nigra) froths along hedgerows with flat plates of tiny cream flowers. The scent is heady and slightly musky, and it makes wonderful cordial, fritters and sparkling wine.

• Identification: look for a shrub or small tree with opposite, pinnate leaves — usually five to seven oval, serrated leaflets — and creamy flower heads 10–20cm across. Crush a leaf and you should get a distinctive, slightly rank smell.
• Pick: snip whole heads into a bag on a dry, sunny morning when the pollen is fresh and the flavour strongest. Avoid heads that are browning or turning to tiny green berries.
• Safety: elder leaves, stems, bark and raw berries are toxic. Use only the flowers, remove as much stalk as you can, and cook or infuse them. Do not confuse elder with dwarf elder or with the flowers of other umbellifers growing nearby.

Leave at least half the heads on every bush. Birds and insects depend on them, and you will want berries from the same shrubs come autumn.

High Summer: Stinging Nettles

Nettles (Urtica dioica) are the forager's free green vegetable, and the best time to take them is from April to early June, before they flower. After that they develop gritty crystals that are unpleasant in the pot.

• Identification: opposite, heart-shaped, sharply toothed leaves with a pointed tip, growing on a square stem, all covered in stinging hairs. There is no safe lookalike once you have felt one.
• Pick: take only the top two or three pairs of leaves, wearing gloves, from plants away from paths, roadsides and dog-walking routes. Young tips are tender and mild.
• Use: blanching or cooking destroys the sting entirely. Nettle soup, pesto and a well-made nettle and cheese tart are all worth the effort.

Never pick nettles where the ground may have been sprayed or enriched by livestock, and always wash your harvest thoroughly.

Late Summer: Blackberries

The bramble (Rubus fruticosus aggregate) is the great British hedgerow fruit, and August into September is its moment. Not all blackberries are equal: the deepest flavour comes from fruit that is almost black and comes away with a gentle tug.

• Identification: scrambling, thorny canes with leaves of three to five toothed leaflets, white or pink five-petalled flowers in summer, and berries that ripen from green through red to black. The berry should pull free with the white core left behind.
• Avoid: anything growing below knee height in a popular dog-walking spot, and fruit that is dull, hard or still red — it will be sour.
• Pick: use a shallow container so the fruit does not crush itself, and pick in dry weather. A wet blackberry goes mouldy within a day.

Blackberries freeze beautifully, so a glut in late August can carry you through to Christmas crumbles.

Picking Responsibly and Staying Safe

Foraging is only sustainable if everyone leaves the hedgerow in better shape than they found it.

• Take only what you will genuinely use, and never strip a plant bare.
• Stay on public rights of way and never trespass; in England and Wales, picking fruit, foliage, fungi or flowers from a wild plant is generally permitted for personal use, but digging up plants or picking for commercial gain is not.
• Check the site's rules — nature reserves, Sites of Special Scientific Interest and National Trust land often restrict foraging.
• Wash everything before eating, and cook or freeze your harvest the same day.
• Wear long sleeves and gloves against thorns and nettles, and tell someone where you are going.

Getting Started This Weekend

You do not need special equipment: a cloth bag, a pair of gardening gloves, a sharp knife or scissors and a good identification guide will do. Begin with one plant you can recognise blindfolded, learn where it grows near you, and visit it through its season. The more time you spend in the same hedge, the more you will notice — which brambles ripen first, where the elders flower earliest, and which corners are worth returning to next year. That slow, observant habit is really what foraging teaches, and it is a wonderfully British sort of pleasure.