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When the Hedgerows Start to Give

By late July the first brambles on south-facing banks begin to darken, and by mid-August the whole countryside seems to be dripping with free fruit. The main flush runs from late August into the first week or two of October, depending on where you are in the country; Cornwall and the south coast will be a fortnight ahead of the Pennines, and high ground lags again. If the autumn stays mild, a second, smaller picking often appears in late October, smaller and sharper but still worth having.

Ripening is not uniform, even along a single hedge. The sheltered, sun-baked side is always ahead of the shaded end, so work your way along rather than stripping one stretch bare. Timing matters more than most people realise: pick after two or three dry days and the fruit tastes sweet and concentrated, while berries lifted straight after rain swell with water and turn bland. A dry morning, once the dew has lifted, is ideal. Take a shallow tub rather than a bag, and never pile more than a couple of inches deep or the bottom layer will bruise into mush before you get home.

Pick With a Light Hand

In England, Wales and Scotland you may pick fruit, foliage and flowers from wild plants for personal use, but uprooting anything without the landowner's permission is an offence. The practical version is simple: pick only what you can reach from a public footpath, a bridleway or open access land, and never climb into a hedge or push through a gap into a field. If a sign asks you to keep out, do. Nature reserves and sites of special scientific interest usually have their own rules, so ask at the visitor centre before you start filling your tub.

Good foraging leaves the hedge better than it found it, or at least no worse:

• Take no more than a third of the fruit from any one stretch, and leave the high berries and the ones deep inside the hedge for birds and dormice. Dormice in particular rely on brambles to fatten up before hibernation.
• Pick above the "dog line" — roughly knee height and upwards — and ignore anything growing low down where foxes and dogs pass.
• Never break branches back to reach fruit. Bend the stem gently and pick with your fingertips; a ripe blackberry releases with almost no pull.
• Spread your picking along the hedge rather than clearing one patch, and step off the path only where it is safe and permitted.

Know Your Bramble, and Its Lookalikes

A true bramble is unmistakable once you have handled one: arching, thorny stems, leaves in threes or fives with serrated edges and pale undersides, and fruit that begins green, turns hard red, and finally swells to a glossy black cluster of tiny drupelets. If it comes away easily with a soft pop, it is ready.

Several hedgerow plants produce dark or red berries that are not blackberries, and a few are genuinely dangerous:

• Deadly nightshade carries single, glossy black berries, not clusters, on a soft, thornless plant with dull green leaves and purple-brown bell flowers. Every part is toxic, so leave anything solitary and shiny well alone.
• Black bryony scrambles without thorns and hangs strings of bright scarlet berries. The berries are poisonous; the red colour and lack of prickles give it away.
• Yew has a red, cup-like aril around a black seed, and the seed, bark and needles are highly toxic. Never taste it, and keep children and dogs clear.
• Dewberry looks like a small, bluish-black blackberry with a waxy bloom and only a handful of large drupelets. It is edible and pleasant, just less abundant, and grows on low, trailing stems rather than upright arches.
• Ivy berries ripen in black umbels later in the year, are mildly toxic raw and best left entirely for the thrushes.

If you are in any doubt at all, leave the fruit on the stem. No crumble is worth an upset stomach.

Kit That Makes the Job Pleasanter

Bramble thorns have a way of finding the one patch of skin you forgot about, so dress as though you mean it: a long-sleeved shirt, thick trousers, sturdy boots and a pair of thin gardening gloves. Add a walking stick or a stout forked branch to draw high canes down within reach, and keep a spare shallow tub or two in the car. Washing the fruit properly once home also removes the small passengers that live in hedgerows, so rinse in a colander under cold water and pick out any leaves and stalks.

From Hedge to Kitchen

Blackberries are best used quickly, but they freeze beautifully. Spread them in a single layer on a tray, freeze until solid, then tip into bags so you can pour out a handful at a time through the winter.

• Crumble is the classic. Toss 700g of fruit with two tablespoons of sugar and a little lemon juice, top with a rubbed-together mix of 200g plain flour, 100g butter and 100g demerara, and bake at 190C for about 35 minutes.
• Jam sets best with a little apple. Use equal weights of fruit and sugar, add the juice of a lemon, and boil hard until a chilled saucer wrinkles when you push a drop across it.
• Cordial is the underrated one: cover the fruit with water, simmer for twenty minutes, strain overnight, then add 400g of sugar and a teaspoon of citric acid per 500ml of liquid and bottle, diluted to taste.
• Windfalls, sloes, rosehips and elderberries ripen alongside the brambles, so keep an eye out and bring them home too.

Staying Safe and Legal

Two final cautions. Avoid hedges beside busy roads, where exhaust residue and spray drift settle on the fruit, and give a wide berth to verges that look suspiciously tidy — they may have been treated. Check yourself for ticks after pushing through long grass, and always ask before foraging on private land, even when a hedge looks unclaimed. Do all that, and the reward is a free harvest, a good walk and a kitchen that smells of late summer.