Why a hedge beats a fence

A solid fence gives you privacy in an afternoon, but it gives nothing back. A living hedge takes a few years to fill out, yet once it does you get a boundary that screens, softens wind, muffles traffic, and quietly houses an entire community of birds, insects and small mammals. For a UK garden, that trade-off is almost always worth making.

Hedges are also far better at blocking sound and dust than a rigid panel, and they do not blow down in a gale. If you choose native species, you are also planting something that our wildlife has evolved alongside for thousands of years — which is why a hawthorn hedge can be heaving with life while a leylandii wall remains stubbornly silent.

The best native species for a mixed boundary

You do not need a single-species hedge. In fact, a mix is more resilient, more interesting to look at, and far better for wildlife because different plants flower and fruit at different times.

• Hawthorn (Crataegus monogyna) — the backbone of the British hedge. Dense, thorny, tough, and smothered in May blossom. Its haws feed blackbirds, redwings and fieldfares through winter, and it is a magnet for nesting birds.
• Blackthorn (Prunus spinosa) — earlier to flower than hawthorn, often before the leaves appear. Sloes in autumn, and the dense suckering growth makes an excellent intruder deterrent.
• Hazel (Corylus avellana) — brilliant for structure and catkins in late winter. Its nuts are prized by squirrels, jays and dormice, and its leaves feed dozens of moth species.
• Field maple (Acer campestre) — a lovely rounded native tree that clips well, with good autumn colour and seeds loved by small birds.
• Dog rose and guelder rose — worth threading through for hips, berries and a longer season of interest.

For a quick screen, add a few holly or yew plants. Both are evergreen, clip beautifully and provide winter cover when the natives are bare.

Planning the line before you dig

Mark out your boundary with a line of string. As a rule of thumb, allow about 60–90cm (2–3ft) of width for a clipped hedge, and more if you want it to grow naturally and stay full of berries. Leave a gap of at least 45cm from a fence or wall so you can trim both sides.

Check for underground services before you dig, and think about how the hedge will affect light in your own garden and your neighbour's. A hedge should be kept below 2 metres where it might shade a neighbouring window — and if you are in England or Wales, the height of a hedge between neighbours is governed by the Anti-social Behaviour Act 2003.

Plant bare-root whips between November and March, when the plants are dormant. They are far cheaper than pot-grown stock and establish quickly. Aim for a double staggered row, with plants about 30–45cm apart, which gives you a thick, wildlife-friendly base rather than a thin, gappy line.

Planting, step by step

• Clear the strip of grass and perennial weeds — couch grass and bindweed will smother young whips.
• Fork over the soil and work in some well-rotted compost or garden compost. Native hedging is not fussy, but it hates waterlogging.
• Soak bare-root plants for an hour before planting, and keep roots covered while you work.
• Plant at the same depth the plant was previously growing — look for the soil mark on the stem.
• Firm the soil gently around each root ball with your heel, then water well.
• Fit a spiral guard and cane to each whip if rabbits, deer or muntjac are about, and mulch the strip with bark chippings or compost, keeping it clear of the stems.

Water thoroughly for the first two summers. After that, most native hedging will look after itself.

Trimming for wildlife, not just tidiness

Here is the single most useful thing you can do: do not cut your hedge between March and August. That is peak nesting season, and a hedge trimmer through a blackbird's nest is a tragedy that is entirely avoidable.

Cut once a year in late September or early October, after the last nest has fledged but before the berries are stripped. This also lets the hedge flower the following spring, which is what feeds the bees and butterflies. If you want a formal, tightly clipped look, you can give hawthorn and field maple a light tidy in winter too, but leave the main cut until autumn.

Trim with a slightly tapered shape — wider at the base than the top — so light reaches the lower branches and the hedge does not go bare and leggy at the bottom.

A boundary that earns its keep

A native hedge will take three or four years to become a proper screen, so plant it where you can afford to be patient, and perhaps use a temporary hurdle or willow screen in the meantime. Once it knits together, you will have a boundary that blocks the view, cuts the noise, shelters your plot from wind, and gives the birds somewhere to raise their young.

It is one of the few garden jobs where the wildlife benefit and the practical benefit point in exactly the same direction. Plant it well, keep the trimmer away in spring, and the hedge will do the rest.