Photinia vs Pittosporum: the evergreen hedge alternative to ‘Red Robin’ and Thuja

Anyone wanting to shield their garden from prying eyes often turns to fast-growing hedge plants. First, Thuja seemed to be everywhere; then the red-flushing Photinia took over new-build estates. It is now becoming clear that this fashion comes at a cost. Fungal diseases are wiping out whole lines of plants. Landscape gardeners are therefore pointing to a different evergreen shrub that is already seen in France as a new benchmark for dense, low-maintenance greenery - and one that also has huge potential here.

Why Photinia fails in so many gardens

When the red hedge suddenly develops brown spots

For a long time, Photinia ‘Red Robin’ looked like the ideal answer: dramatic red new growth in spring, rapid growth, and a tall privacy screen in no time. In real gardens, however, the picture has shifted. A leaf fungus that spreads quickly in damp springs can seriously weaken the plants. Leaves develop brown spotting, become blotched, dry out and eventually drop.

The outcome is frustrating: instead of a thick, private wall, you are left with a gappy skeleton of bare twigs. In terraced-house areas and on small plots in particular, that is a real problem, because the promised protection from overlooking simply disappears. If you persist with the plant, you often end up constantly removing diseased foliage, spraying and cutting back - frequently with disappointing results.

"Photinia hedges lose so much foliage in many gardens that the privacy screen is practically no longer there."

Homeowners’ frustration: high costs, little benefit

Many owners invested in these plants precisely because they grow quickly and look impressive. Now they are faced with thin, bare hedges and rising ongoing costs. Fungicides, repeated cutting back, and disposing of infected leaves - all of this takes time and money. Even then, the fungus often returns, especially in areas with mild winters and wet springs.

Amateur gardeners report having had to remove entire shrubs. Some replace the hedge one section at a time; others give up completely and look for an option that does not become a recurring annual headache. This is exactly where a shrub comes into the picture that, until recently, was more of an insider tip.

Hedge monoculture - a risk that comes back to bite

Photinia’s decline echoes what happened with all-Thuja hedges. Once a single species dominates front gardens, it only takes one specialised pest or pathogen to affect whole neighbourhoods. This kind of “hedge monoculture” is extremely vulnerable to new diseases, which can spread more easily with climate change and milder winters.

Garden centres are already responding: in many shops, fewer Photinia plants are being stocked, while other evergreen shrubs are being given more space. One shrub, in particular, is attracting attention for its glossy foliage, variety of cultivars and overall good health: Pittosporum.

Pittosporum: the underrated star for dense, modern hedges

Evergreen, colourful, and holds its shape

Pittosporum - often sold simply as pittosporum types - offers exactly the qualities people want in closely built-up residential areas. It stays green all year, grows in a compact way, and tolerates clipping well. Depending on the cultivar, the leaves can show an appealing mix of deep green, lighter green and creamy variegation. Some varieties even have the feel of a small, designer plant.

Growth is usually around 20 to 30 centimetres per year. That means you can establish an effective privacy screen relatively quickly, without needing to cut the hedge back hard every year. If you shape it regularly with hedge shears, you can maintain an even, dense wall that does not become see-through in winter.

• Height: depending on the cultivar, typically 1.5 to 3 metres
• Width: compact, easy to shape with pruning
• Leaf colour: from dark green to yellow- or white-variegated
• Position: sunny to partially shaded; ideally sheltered from wind
• Maintenance: low; one shaping or maintenance cut per year is usually enough

Visually, Pittosporum tends to look more contemporary than traditional conifer hedges. The glossy leaves catch the light, while variegation adds structure and depth to the green. If you want to avoid the sometimes rather “stuffy” look of Thuja, this is a more up-to-date alternative.

More peace of mind thanks to strong disease resistance

A key advantage is its robustness against leaf fungi. Where Photinia can suffer quickly in wet spells, Pittosporum generally remains healthy. It does not require routine fungicide treatments, which is better both for the environment and for your budget.

"Pittosporum hedges stay stable and dense in many locations, without harsh chemicals and without constant stress for amateur gardeners."

Care is essentially centred on three things: one deliberate prune each year, occasional watering during dry periods, and moderate feeding in spring. If you improve the soil with compost at planting time and avoid waterlogging, you set the hedge up to perform well for the long term.

How to use Pittosporum effectively in garden design

A single-species hedge or a mixed planting - which works best?

Pittosporum works well as a uniform hedge, but it can also be used as part of a mixed planting. Professionals are increasingly recommending so-called mixed hedges, where several shrubs are combined to complement each other in height, leaf shape and flowering time. The benefit is that diseases spread less quickly and the hedge looks more varied.

Popular companions for Pittosporum include, for example:

• Elaeagnus (oleaster): very tough, silvery foliage, ideal for windy sites
• Hazel: brings catkins in late winter and nuts for wildlife
• Cornus (dogwood species): striking red or yellow stems in winter, a strong colour accent
• Privet: a classic, clip-tolerant hedge shrub with high tolerance overall

These mixed hedges do not just look more lively. They also offer birds, insects and other garden wildlife more food sources and hiding places than a monotonous row of identical plants.

Position, soil, pruning - the most important practical tips

To help Pittosporum reach its potential as a dense privacy screen, a few straightforward basics make a big difference:

• Keep to the right planting distance: depending on the cultivar, leave 60 to 80 centimetres between plants so they can branch well.
• Prepare the soil properly: loosen compacted ground, improve it with compost, and avoid waterlogging.
• Provide shelter from wind: particularly variegated cultivars respond to a sheltered spot with fuller growth.
• Water during establishment: in the first two years, water regularly, especially during hot spells.
• Shape rather than cut back hard: a light trim after the main flush of growth is usually enough; only cut back severely if necessary.

If you follow these points, you can develop a hedge that delivers reliable privacy for many years - without turning into a constant ongoing project.

What garden owners can do now

Rescue an old Photinia hedge or replace it?

If you already have a weakened Photinia hedge, it is worth taking an honest look at its condition. Individual plants that are still vigorous can be supported with targeted action: remove diseased growth, open things up for better air flow, improve the soil and adjust watering. Where the fungus hits hard year after year, replacing the hedge is often the more nerve-saving option.

A full changeover does not have to happen all at once. Many amateur gardeners proceed section by section: part of the old hedge comes out, and new plants - for instance Pittosporum combined with other species - go in gradually. That way, some screening remains while the new structure is already starting to establish.

Assessing the risks and limits of Pittosporum realistically

Even though Pittosporum is robust, it is not suitable for every site. In very exposed, frost-prone locations, more sensitive cultivars can suffer dieback. If you live in a colder area, it is better to choose more frost-hardy types or plan in some wind protection. In very dry, hot courtyards, the shrub needs more water at first until the roots reach deeper moisture.

Even so, the overall picture is clearly more favourable than with Photinia: compared with it, the plant is regarded as low in disease issues, easy to shape, and visually diverse. That matches what many homeowners want - a green privacy screen that does not bring a fresh set of problems every year.

More diversity for tougher, more vibrant gardens

The shift from Photinia towards Pittosporum shows how strongly trends in garden planting can shape entire streets - and how risky it can be to rely on a single species. If you are planting from scratch today, you are generally safer with a mix of Pittosporum and other resilient shrubs. The hedge becomes more varied, more resistant, and a habitat for a wide range of animals.

For many property owners, this creates an opportunity: rather than choosing the next short-lived “must-have” shrub, it can pay to move towards long-lasting, diverse planting. Pittosporum can play a central role in that - not as a lone headline act, but as a dependable building block in a garden that balances privacy, appearance and nature-friendly planting.