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A LANDSCAPE DESIGNER’S BEST HEDGES

Best garden hedges from a landscape designer
Best Hedges from a Landscape Designer

The Landscape Designers' perspective

The best hedges from this landscape designers' perspective are those that will meet the needs of the client, and best serve a purpose, be that adding structure to the landscape, providing screening or creating privacy. This means the best hedges vary from project to project so if you don't have a landscape designer on board to suggest one for you, what should you look for and what should you avoid?

BEST HEDGES – LANDSCAPE DESIGNERS LOOK FOR…


Growth Rate.
The best hedges are often moderate growers. Some of the best design advice I give to my landscape clients is to think long term when it comes to hedges. While it's tempting to select a fast-growing hedge species such as Eugenia (Lilypily), especially if you are wanting to quickly screen out pesky neighbours or a neighbouring eyesore that is marring the beauty of your landscape, consider the long-term maintenance implications. Your leafy screen may quickly soar to the often desired two point five metres high; however, it won't then stop. Regular trimming will be needed, and you may soon find yourself a slave to the hedge trimmers. Garden help can be out-sourced, but a hedge over three metres is a tricky beast to manage and may be classed as 'trees', triggering extra health and safety measures / additional expense to keep it to the desired height. A moderate grower, while slower to establish, will prove less demanding in the long run. 

Suitability. The best hedges are also happy hedges. Landscape designers always select from species that will thrive or at the very least tolerate the growing conditions. Plants give clues. For example, the best hedges for coastal sites often have a furry coating on the underside of the leaves known as tomentosum that provides the foliage with a silvery look and provides a layer of protection from salt-laden winds. Best hedges for full sun or arid landscape situations also typically have silvery foliage (think Olives and Olearia).  This can be a waxy silver coating which helps reflect intense sun or thicker silver 'fuzz' to help with drought. This silver fuzz catches rainfall and moistens the plant's cells. The best hedges for shade are often those with large leaves which can trap light energy for photosynthesis in a place where light levels are low. 

Foliage size. Another thing landscape designers consider while determining the best hedges for a landscape project is foliage size, especially if a low-maintenance hedge is required. A quick whizz over with the electric or battery hedge trimmers doesn't take too long, but unless you don't mind the look of slightly gnawed edges, anything with a largish leaf really needs to be hand pruned or at the very least tip pruned with secateurs. 

Aesthetics. The best hedges also look fantastic. Landscape designers all have their favourites, and I'm a big fan of trusty old Camellias for hedging. Large-leaved japonicas for shade and dry, and the brighter green sasanquas for sunnier spots. Glossy foliage, gorgeous flowers and a dense, thick habit that's not too demanding on the labour front. Of course, I'm not the only designer who thinks Camellias makes one of the best hedges, so if this is already done to death on your street and you want something different for your landscape, then here are my designer picks of other less common options for you to consider.


THIS LANDSCAPE DESIGNERS BEST 6 HEDGES


Ilex largo (Dahoon Holly) 

This is a reasonably recent addition to my go-to list and has quickly become one of my favourites.  Yes, it's a holly, but unlike most holly (Ilex), the leaves are oval and smooth. This makes a tremendous glossy evergreen hedge. It has a moderate growth habit and is suitable for full sun or shady garden situations. Drought tolerant and tolerant of exposed and coastal conditions. It appears to be both hardy and also able to cope with humidity, making it suitable for most New Zealand regions.

Podocarpus gracilior   (African fern pine)

If glossy leaves aren't your thing or you are looking for a foliage contrast, African fern pine is a little different from its leafier hedge friends. It has long narrow leaves and is a cunning choice for those who a little erratic with pruning, as it looks just as good with a bit of shaggy growth as it does when hard pruned. Full sun, part sun and tolerant of dry conditions and suitable for clay, loam or sandy soils, it is an adaptable option. 

Escallonia

Happy in a range of garden situation, including clay soil, and ranging in height from 1-2m up to 4m+  why Escallonias are not used more bewilders me. Thick glossy foliage, coastal and salt tolerant and tolerant of dry conditions. Add in a smattering of pretty little flowers in white, pink or red from spring through summer depending on the cultivar. What's not to like?  

Pittosporum (Stephens Island)

As a landscape designer I've done numerous garden consultations and I've lost count of the number of scraggly pittosporum hedges I've seen. A shame really as it gives this lovely native plant family a bad rep, when really they are just better suited to being grown as fulsome shrubs. However Pittosporum' Stephens Island' is an exception and has some great attributes for those looking for a New Zealand native hedge. It's a compact, hardy, evergreen shrub with attractive deep, dark-green foliage and a moderate growth habit. Clipped it makes a great dense hedge and being from Stephen's Island in the middle of the Cook Strait it's good for coastal conditions.  

Prunus lusitanica (Portuguese laurel).

This is a beautiful, dense evergreen shrub that can be hedged to any height. It is easy to maintain and always looks neat and tidy. Needs pruning once a year. Leaves are dark, glossy green with red young shoots that contrast well against the dark green leaves. It has small white, fragrant flowers on longer slender racemes (stems with masses of flowers along their length) in late spring  followed by black berries which the birds love.  Great for formal gardens it is suitable for full sun, part shade and is hardy to frosts. Best in moist but well drained soil. 

Murraya panniculata (Orange Jessamine)

Hands down my current favourite of my best hedges short list, which is why I've left it till last. These often look a little under whelming at the garden centre however they have a lot to offer. They are from the citrus family so expect to enjoy the same sweet-scented blooms from this evergreen shrub. It flowers intermittently throughout the year so is a great choice for entertaining areas, entrances etc. Very flexible size wise, it can be keep narrow and as low as 600mm high or give it more space and time and it can reach 2m+. Salt winds, no problem but it does need protection from frost. Ideal for warm, sunny well drained areas.



 

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