Hedging Plants  and Hedges

Which hedging plant to use? Care must taken in selecting the kinds of hedging plants that you use, some types take a lot more looking after than others, they all grow at different rates and have a variety of advantages and disadvantages. Almost any hardy tree or shrub could be planted as a hedge but a few types are better than the others.

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S - good for a security hedge or protecting a vulnerable position (lots of vicious thorns)

Formal Hedges

Hedging plant Planting distance Clipped height Number of times to clip per season and when Responds to renovation?


Common Box, Buxus sempervivens 30cm, 12" 30-60cm, 1-2ft 2 - 3 growing season Yes
Lawson cypress, Chamaecyparis lawsoniana 60cm, 24" 1.2-2.5m, 4-8ft. can be larger 2, spring and early autumn No
Leyland cypress, Cupressocyparis lleylandii 75cm, 30" 2-4m, 6-12ft. can be to 6m, 20ft and beyond 2 - 3 growing season No
Escallonia 45cm, 18" 1.2-2.5m, 4-8ft 1, immediately after flowering Yes
Holly, Ilex aquifolium S 30cm, 12" 2-4m, 6-12ft 1, late summer Yes
Privet, Ligustrum 30cm, 12" 1.5-3m, 5-10ft 2 - 3 growing season Yes
Box honeysuckle Lonicera nitida 30cm, 12" 1-1.5m, 3-5ft 2 - 3 growing season Yes
Yew, Taxus baccata 60cm, 24" 1.2-4m, 4-12ft 2, spring and early autumn Yes


Barberry, Berberis thunbergii S 45cm, 18" 60cm-1.2m, 2-4ft 1, summer Yes
Hornbeam, Carpinus betulus 45-60cm, 18-24" 1.5-6m, 5-20ft 1, mid to late summer Yes
Hawthorn, Crataegus monogyna S 30-45cm, 12-18" 1.5-3m, 5-10ft 2, summer and autumn Yes
Beech, Fagus sylvatica 30-60cm, 12-24" 1.2-6m, 4-20ft 1, late summer Yes

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Informal and Flowering Hedges

Hedging plant Planting distance Clipped height Number of times to clip per season and when Ornamental qualities


Berberis darwinii S 45cm, 18" 1.5-2.5m, 5-8ft 1, immediately after flowering yellow flowers, purple berries
Cotoneaster lacteus 45-60cm, 18-24" 1.5-2.2m, 5-7ft 1, after fruiting white flowers red fruits
Escallonia 45cm, 18" 1.2-2.5m, 4-8ft 1, immediately after flowering

white, red or pink flowers

Holly, Ilex aquifolium S 30cm, 12" 2-4m, 6-12ft 1, late summer

white flowers, berries

Lavender, Lavandula 30cm, 12" 0.6-1m, 2-3ft 1, after flowering purple flowers
Laurel, Prunus laurocerasus 60cm, 2ft 1.2-2.5m, 4-8ft can be larger 1, after flowering white flowers
Pyracantha S 60cm, 24" 2-3m, 6-10ft 1, after fruiting white flowers, red, orange or yellow berries


Hawthorn, Crataegus monogyna S 30-45cm, 12-18" 1.5-3m, 5-10ft 2, summer and autumn

scented white flowers, red berries

Shrubby cinquefoil, Potentilla fruticosa 30-45cm, 0.6-1.2m, 2-4ft 1, spring yellow flowers
Hedgehog Rose, Rosa rugosa S 30-45cm,  12-18" 1.5m, 5ft

1, spring

flowers and red "hips"
Flowering currant, Ribes sanguineum 30-45cm, 12-18" 1.5-2m, 5-6ft

1, after flowering

pink flowers

Hedge or fence?

Advantages of a hedge

  • An attractive living boundary that changes with the seasons
  • Can be a part of a mixed border, doesn't have to be uniform.
  • Height easily variable to suit requirements
  • Can be made intruder-proof by selection of plants
  • Good at filtering wind

Disadvantages of a hedge

  • Requires regular maintenance
  • Takes time to get established
  • "Greedy" hedging plants often prevent other plants growing close by.

Advantages of a fence

  • Instant barrier, no waiting.
  • Can plant right up to the fence
  • Fence can be used as a support for climbers or shrubs
  • Effective noise barrier ( from roads etc.)

Disadvantages of a fence

  • Unattractive (subject to opinion!)
  • More prone to wind damage than hedge, not such a good wind filter
  • Will need replacing before a hedge does

Size of the hedge

Along with maintenance, the ultimate size of a hedge causes the greatest concerns. In a perfect world, the hedge would grow rapidly and thickly to a preset height and then stop dead in its tracks.

The reality is that if you want a "fast " hedge, one that will grow to the desired height and thicken up just as quickly, it will tend to keep on going upwards and outwards just as vigorously past the optimum size as it did to get there in the first place.

This is the cause of the great Lleylandii curse, a much used hedging plant, particularly on housing estates in the last thirty years. They rapidly form an excellent hedge, but require regular cutting back and the subsequent disposal of large quantities of material if they are not to get out of hand or even become the subject of a dispute between neighbours.

Fast growing plants means the hedge is effective sooner,
but then requires more maintenance to keep it under control

Slower growing hedges will take several years to form an effective barrier,
but will require less clipping and will generally live longer.


The other major issue with hedges is the need for regular maintenance. All hedges need trimming at least once a year, some more often. Regular light pruning is better for the hedge, and easier to carry out, than infrequent heavy pruning, there's also a lot less material to dispose of, if it's small twiggy stuff it can be fed though the garden shredder.

A powered hedge trimmer can be used for light pruning, (though not for heavy cutting back) this can speed up the trimming process and help to give a more uniform finish with straight lines.


The soil for a newly planted hedge should be very well prepared as the hedge will be a long term permanent feature. It should be dug over thoroughly and have a #good quantity of organic matter added to the soil.

#Good quantity - an indeterminate amount, but usually much more than you first think. (if dug in - and it should be dug in)  to make about 20-30% of the volume of the soil it is added to. Think "copious"

When the hedging plants are planted, they should also be given a dressing of bonemeal or blood, fish and bone meal, alternatively inorganic Gromore or similar could be used. It is also good practice to give them a regular feed once established in the spring, again top-dressing with a balanced fertiliser. A mulch of bark chips or similar to prevent weed growth is advisable, this does not need to be replaced or topped up in later years as it rots away, as its function is to help the plants establish early on. Watering is advisable through the first spring and summer to ensure good initial establishment of the hedging plants.

It is sometimes suggested that hedging plants be planted in double rows rather than single. This is not necessary unless a hedge is required that is wider than about a metre (39") or for purposes of establishing the hedge that little quicker. When overcrowded, plants tend just to produce the same amount of top growth spread between them as they would if planted more thinly with less plants giving the same amount of leaf cover. There is also the possibility of crowding and the accumulation of dead wood.

Formative pruning of hedges

Left to their own devices, hedges will grow upwards and become relatively "leggy", that is thin at the bottom and thicker towards the top. Care must be taken in the first few years to prune the plants so that they develop into a thick and effective hedge.

On planting - cut deciduous plants back by a third of their height. Strong laterals (side shoots) should also be cut back by one third.

Second winter - Cut back again by one third.

The trick is to prune weakly growing shoots hard and strongly growing shoots lightly. Don't be tempted to "even up" the hedge, the result will often be the opposite.

Many hedging plants will form very tall trees or shrubs if left unpruned. In general they will respond to trimming of their vertical growth by producing side shoots. Sometimes it is necessary to trim verticals in order to promote bushy sideways growth even though vertical height is also required. It is all part of the process of establishing a well formed and effective hedge.

Does the size of the hedging plants that go in matter?

Hedges establish better and form dense bushy growth from the ground upwards more readily if planted as young, small plants. Many people look at the small bare rooted whips or transplants and imagine it will be years before they will achieve anything which looks like a hedge. If larger plants are chosen the result can often be that the hedge is rather gappy at the base at least in the early days.

In a few years a hedge planted as small bare-rooted plants will soon catch up and even over-take a hedge planted as much bigger and more expensive pot grown plants. Larger plants are more likely to fail than smaller ones. If you decide to plant a hedge, you need to accept that it's going to be a long term project and several years before the hedge is as you want it.


Look out for help with hedging plants and possibly even ponds from your local council. 

No don't get too excited, you won't get any free containerised yew or box plants to put around your pottager or make a knot garden. But a number of local councils around the country, often through their countryside services departments, will help supply traditional native hedgerow plants (usually as 12" (ish) tall bare rooted whips) to help renovate a neglected hedge or start a new one.

If you have a largish wild garden or would like to begin such an area, it's well worth getting in touch and finding out what's available in the way of plants and other materials and / or expertise and advice. The offers are often also available to schools and other organizations.

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