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A Spring Treat Worth Knowing

There is a moment in early spring, usually some time in late March or April, when the bare floor of a damp British wood suddenly smells faintly of garlic before you have even seen a leaf. That is wild garlic, Allium ursinum, also called ramsons or wood garlic, and it is one of the most generous and forgiving things a forager can learn. It grows in vast carpets, it returns year after year, and it announces itself with a scent no one can mistake — which makes it the ideal first wild green for a smallholding kitchen.

It also tastes wonderful: softer and sweeter than bulb garlic, with a fresh green bite that lifts a soup, a butter or a pesto into something you would happily pay good money for at a farmers' market.

How to Identify Wild Garlic

Begin with the leaves. Each one is broad, soft and mid-green, roughly oval but tapering to a pointed tip, and usually between 10cm and 25cm long. Look closely and you will see the leaf is slightly folded along its central rib, like a shallow keel, and it grows from the base of the plant rather than from along a stem. In a good patch the leaves form a dense, almost lawn-like carpet over the woodland floor.

Then do the scent test, which is the only test that really matters. Pick a single leaf, tear it across, and smell it. You should get a sharp, unmistakable garlic aroma. If there is no garlic smell, put it down and walk on.

Spring brings a handful of lookalikes worth knowing about:

• Lily of the valley — similar broad leaves, no garlic scent, and highly toxic.
• Autumn crocus — broad leaves in spring, no garlic scent, and seriously poisonous.
• Lords-and-ladies — leaves often arrow-shaped and black-spotted, with an unpleasant musty smell rather than garlic.

By late April and May the plants send up clusters of white, star-like flowers with six petals, which confirms the identification, though older leaves turn coarser and are best left unpicked. If you have any doubt at all, leave it. There is no wild green so valuable that it is worth a stomach upset.

Where to Look, and Where Not to Pick

Wild garlic likes damp, shaded, slightly acid ground. Think ancient woodland, stream banks, the shaded edges of lanes, and the lower slopes of wooded valleys. It often grows alongside bluebells, so tread with care once those are coming through.

Where you pick matters as much as what you pick. Avoid:

• Roadside verges, where leaves collect spray and dust.
• Popular dog-walking paths and areas where livestock graze.
• Nature reserves, Sites of Special Scientific Interest and protected woodland, where foraging is often prohibited outright.
• Anywhere you do not have the landowner's permission — including private woodland you happen to have walked into.

If you are unsure whether picking is allowed, ask. Most farmers and smallholders are far more relaxed about a neighbour taking a few leaves for the pot than about someone stripping a patch bare.

The Kindest Way to Pick

Wild garlic grows from a buried bulb, and the bulb is the whole plant's future. Leave every bulb in the ground. Take only leaves, and take them thoughtfully.

• Pinch or snip one or two leaves from each plant, never all of them.
• Move through a patch rather than stripping one spot, so the harvest is spread across the wood.
• Take only what you will actually use — a carrier bag is ample for a family.
• Do not trample the surrounding plants to reach a tempting clump; the bulbs bruise easily.
• Leave the flowers to seed, so the patch continues for years to come.

The old guidance is to take no more than one in twenty plants in any patch, and it is good guidance. A careful forager can return to the same wood every spring for a lifetime and still find it thicker than the year before.

From Woodland to Kitchen

Take your leaves home, rinse them well in cold water and spin or pat them dry. Use them the same day if you can — the flavour fades quickly.

• Wild garlic pesto — blitz the leaves with olive oil, toasted nuts, hard cheese and a squeeze of lemon, then freeze in small pots.
• Wild garlic butter — chop finely into softened butter, roll in greaseproof paper and chill. Excellent on new potatoes.
• Soup — soften potato and leek, add stock, then stir in shredded leaves at the very end so they keep their colour.
• Raw — young leaves chopped into a spring salad, or folded through scrambled eggs.

The leaves freeze well once blanched, so a spring afternoon's picking can keep you in green garlic flavour well into summer.

Staying Safe and Courteous

Wash your hands after picking, and wash the leaves even if they look clean. Wear long trousers and check yourself for ticks afterwards, particularly in dense undergrowth. Anyone on blood-thinning medication should be sensible about eating large quantities of raw wild garlic, as it has a mild thinning effect.

Finally, leave the wood as you found it. Take nothing but leaves, tread lightly, close any gates behind you, and keep dogs under control around ground-nesting birds. Do that, and the patch will keep feeding you — and everyone else who knows where to look — for many springs to come.