Planting a Hedge for Birds and Insects

By Planning a Circular Walk Through Ancient Woodland
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22 Aug 2026

Planting a Hedge for Birds and Insects

Why a Mixed Native Hedge Beats a Single Species

A hedge planted with a single species is a wall. A hedge planted with several native species is a habitat. The difference matters enormously to the creatures living in it, because a varied hedge flowers at different times, fruits at different times and offers a mix of dense twiggy growth, thorny protection and soft leaf litter at the base.

Hawthorn, blackthorn and hazel are the classic backbone of a British field boundary, and for good reason: they are tough, cheap as bareroot plants, and between them they cover most of the year. Add a few extras and you create a corridor that supports insects from March to November and birds right through the winter. A good mixed hedge will draw in blue tits, dunnocks, wrens, blackbirds, song thrushes, hedgehogs, bats and dozens of moth species — and if you are lucky, the occasional linnet or yellowhammer in the wider countryside.

The Backbone: Hawthorn, Blackthorn and Hazel

Start with these three and you will not go far wrong.

Hawthorn — the single best all-rounder. Its May blossom is a magnet for bees, hoverflies and moths, its haws feed thrushes and redwings into January, and its dense thorny growth is the nesting site of choice for many small birds. It tolerates almost any soil and heavy trimming.
Blackthorn — flowers on bare wood in March and early April, often the first real nectar of the year for early bumblebees. The sloes ripen in autumn (sloe gin is the traditional reward) and the thicket-like growth is superb for nesting. It suckers freely, so plant it where it can spread a little.
Hazel — catkins in late winter provide pollen when little else is available, and the nuts are taken by dormice, squirrels and jays. Hazel leaves feed the caterpillars of several moth species, and coppicing it later gives you straight poles for beanpoles and pea sticks.

For variety, mix in a handful of field maple, holly, dog rose, guelder rose, crab apple or spindle. Holly gives evergreen cover and winter berries; dog rose and crab apple add scent, blossom and hips or fruit that birds strip in hard weather.

Choosing the Site and Preparing the Ground

A hedge wants light. Aim for a line that gets at least half a day of sun, and leave at least two metres of width if you can — a narrow hedge trimmed hard on both sides will be thin and poor for nesting. Avoid the shade of mature trees, where roots will steal the moisture.

Clear a strip roughly 60cm wide either side of the planting line. Grass and nettles are the main reason young hedges fail, so strip them properly rather than simply mowing around the whips. If the ground is heavy clay, fork over the top 20cm and mix in some well-rotted compost. Do not add fertiliser; you want sturdy roots, not soft sappy growth that aphids will find first.

Planting Bareroot Whips

Bareroot plants are cheaper, establish better and are available from November to March, while the plants are dormant. Avoid planting in frost or waterlogged ground.

Plant in a double, staggered row, roughly 35–45cm apart within the row and 40cm between rows. That works out at about five plants per metre of hedge.
Firm the soil around each root firmly with your heel — air pockets kill more whips than cold does.
Fit a spiral guard to each plant if rabbits, deer or voles are about, and mulch with a generous layer of bark chip, keeping it clear of the stems.
Water well in the first two summers. After that, a native hedge should look after itself.

Plant in odd numbers of each species, scattered rather than blocked in single-species groups, so the hedge flowers and fruits unevenly along its length. That unevenness is exactly what wildlife wants.

Trimming Lightly in Late Winter

This is where most hedges go wrong. Trim in late winter — February is ideal — and cut lightly. Birds nest from March to August, so anything more than a tidy-up in that window risks destroying nests and is likely to break the law.

On a young hedge, the first two or three years should be about shaping rather than shortening. Take the top down by no more than a third, and leave the sides mostly alone. Once established, cut the sides on a slight taper so the base stays wider than the top; a sloping face lets light reach the bottom and keeps the hedge green to the ground rather than bare and leggy.

Trim only the current year's growth. Blackthorn in particular will not regrow well from old wood, and heavy cutting into the framework leaves permanent gaps. If you want a really dense, stock-proof hedge, consider laying it instead of repeated trimming — a traditional skill well worth learning.

What You Will Get, and When

Be patient. A new hedge looks like a row of sticks for two years, then suddenly fills out. By year three you should see blossom in spring, caterpillars on the leaves in summer, and the first haws and sloes in autumn. By year five the nesting birds arrive properly.

Leave the leaf litter and a rough grassy margin at the base, and resist the urge to tidy every last fallen leaf. That messy strip is where hedgehogs forage, where overwintering insects shelter, and where the whole hedge begins. Plant it, cut it lightly, and then mostly leave it alone — the wildlife will do the rest.

Gardening

Supporting Your Local Village Shop and Community Hub

Autumn leaves rot into a rich soil improver. Collect them in bin bags, pierce the sides and leave for a year or two.

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5 Comments

Robert Sonny says Jul 21, 2024 at 10:00am

I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
Reply
- John Abraham says Jul 21, 2024 at 10:00am
  
  I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
  Reply
  - Robert Sonnysays Jul 21, 2024 at 10:00am
    
    I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
    Reply
Robert Sonny says Jul 21, 2024 at 10:00am

I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
Reply

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