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Time for planting a new hedge after 25 years or can we renovate it by pruning?

Hi, I’m Rosemary. We live right by the sea in Scotland. We’ve been here 25 years and pretty much worked with what was already there as a boundary hedge. It provides us with shelter but it’s not the most attractive looking hedge. It also needs constant trimming in summer to make it look okay. We decided to thin it out at the weekend and took it a bit further than we intended, although we have spoke about replacing it many times, so maybe now’s the time! We’d really like some attractive shrubs instead of a formal hedge. Something that’s attractive all year round but also providing shelter and some privacy in summer. This is the area we usually move to later in the day to catch the sun. I’m thinking this is our chance to make changes, but need to make the right choices. All a bit daunting. It’s not too late to let the old hedge come on again, but think there must be nicer options? 

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Quote from RosemaryGS on 24th March 2026, 11:15 am

Hi, I’m Rosemary. We live right by the sea in Scotland. We’ve been here 25 years and pretty much worked with what was already there as a boundary hedge. It provides us with shelter but it’s not the most attractive looking hedge. It also needs constant trimming in summer to make it look okay. We decided to thin it out at the weekend and took it a bit further than we intended, although we have spoke about replacing it many times, so maybe now’s the time! We’d really like some attractive shrubs instead of a formal hedge. Something that’s attractive all year round but also providing shelter and some privacy in summer. This is the area we usually move to later in the day to catch the sun. I’m thinking this is our chance to make changes, but need to make the right choices. All a bit daunting. It’s not too late to let the old hedge come on again, but think there must be nicer options? 

 

Hi Rosemary,

What a fab opportunity you have here Ninja. Living by the sea in Scotland with 25 years of knowing exactly how your garden behaves gives you a real advantage when it comes to making the right choice, and the fact that you've already thinned the hedge means you have a head start rather than a setback. If you've followed me on social media, you will know I am obsessed with travelling all around Scotland in my motorhome and visiting gardens wherever I can!

The first thing I'd say is that your instinct about replacing rather than restoring is a sound one. Most hedges, with the notable exception of conifers, will regenerate well from a hard prune. If your existing hedge is deciduous or mixed, cutting it back hard to around 60cm now, just before spring growth kicks in, will trigger strong regrowth from the base. Within a couple of seasons you'd have a rejuvenated structure to work with. So that option is very much still on the table if you want a safety net while you plan.

That said, if this is truly your moment to make a change, I'd strongly encourage you to take it. Coastal gardens in Scotland are a specific and quite demanding environment, and the plants you choose need to be genuinely tough rather than just attractive in a catalogue photo.

My first recommendation would be Rosa rugosa.

This is the plant I'd reach for first in your situation. You'll see it growing wild along coastal roads and in the dunes of almost every Scottish seaside town, which tells you everything you need to know about its resilience. It handles salt-laden winds, poor sandy soils, and exposed positions with remarkable ease. It gives you fragrant flowers in pink or white through summer, striking orange-red hips well into autumn and winter, and the foliage has a lovely textured, wrinkled quality that looks quite different from a typical formal hedge. It's also brilliant for wildlife, with bees loving the open flowers and birds feeding on the hips.

As an informal boundary, it provides excellent shelter without needing constant trimming, which sounds like exactly what you're after.

A mixed informal hedge is another approach well worth considering. Rather than a single species planted in a row, a mixture of coastal-tolerant shrubs planted in a loose, relaxed arrangement gives you year-round interest, varied wildlife value, and a far more natural look that suits a seaside setting.

Alongside Rosa rugosa you might include Escallonia, which is a superb coastal performer and carries pink or red flowers across summer. Pittosporum tenuifolium is another strong option for your part of Scotland, particularly the hardier varieties, and gives you year-round evergreen structure with that lovely silvery-green foliage. Elaeagnus x ebbingei is tough as old boots in coastal conditions and provides dense evergreen shelter with a subtle fragrance in autumn.

One thing I'd caution against quite firmly: avoid Cherry Laurel and anything with very large, dense evergreen foliage that's going to form a solid wall. You mention catching the evening sun in that area, and if you have any view of the sea, even a partial one, a solid evergreen screen will quickly steal that from you.

The beauty of an informal mixed planting is that you can keep it to a height that shelters without blocking, and the open structure of something like Rosa rugosa lets light and glimpses of sky and sea through rather than creating a green wall.

In terms of timing, planting now or over the next few weeks as we move into spring is ideal for bare-root or container-grown shrubs. They'll establish through the growing season and be putting on proper growth by summer. If you do decide to hard prune what's there as a temporary measure, you can plant the new shrubs alongside or in front of the existing structure and let both establish together.

It sounds like a genuinely exciting moment for that part of your garden, Rosemary. The fact that you know your site so well after 25 years means you'll make the right call.

You might find these guides useful as you plan:

How to Prune Hedges | Coastal Garden Plants | Garden Design for Shelter and Privacy

Do let us know what you decide. I'd love to see how it transforms.

Lee Garden Ninja — Garden Ninja

Thanks so much for your quick and detailed response, Lee. I think the hard prune sounds like the best option for us at the moment. I’m too worried we’ll regret removing what we have. Planting other shrubs alongside sounds like a great option. I thought other shrubs would struggle to compete against the established shrubs, having failed many times with planting in that area. We’ll give it a go using the shrubs you’ve suggested. The hedge we have at the moment is mainly made up of what I think is dog rose, which looks similar to Rosa Roguso you suggested. It’s just grown spindly so looks quite unattractive unless constantly trimmed during summer. Hopefully the weather will allow us to get out and move things on.

We’ll look out for you when we’re out and about in our old campervan 🙂 Thanks again for the advice! I’ll keep you updated on our progress.

Rosemary

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Lee Burkhill - Garden Ninja

Lee Burkhill

Lee Burkhill, known as the Garden Ninja, is an award-winning garden designer and horticulturist with over 30 years of gardening experience and 15 years as a professional garden designer. A qualified RHS (Royal Horticultural Society) professional, Lee specialises in sustainable garden design and practical horticultural advice. He designs and presents on BBC1’s Garden Rescue and in leading gardening publications. Lee combines three decades of hands-on gardening knowledge with professional design qualifications to help gardeners create beautiful, functional outdoor spaces.

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