The 3 Best Hedges for Hot, Sunny Fence Lines (And How to Choose the Right One)
If you've got an ugly fence, a narrow side path or a pair of nosy neighbours, planting the right hedge can completely transform your backyard.
The problem? Fence lines are one of the toughest places to grow plants in Australia.
Metal fences reflect heat, the soil dries out quickly, and narrow garden beds leave very little room for spreading root systems. Choose the wrong plant and you'll end up with a scraggly hedge, endless pruning, or roots growing where they shouldn't.
The good news is there are plenty of privacy hedges that thrive in full Australian sun—you just need to pick the right one for your space.
Whether you're looking for a fast-growing privacy hedge, a native hedge for narrow side paths, or a low-maintenance evergreen screen, these are three of our favourite hedge packs for Australian gardens.
The Best Hedges for Hot, Sunny Fence Lines
Not every hedge is built for harsh Australian conditions. These three varieties have earned their place as our go-to recommendations for creating a beautiful privacy screen.
1. Viburnum 'Quick Fence™'
Best Fast-Growing Privacy Hedge
If your main goal is privacy—and you want it sooner rather than later—Viburnum 'Quick Fence™' is hard to beat.
Specifically selected for its fast, upright growth, this variety quickly forms a dense evergreen screen that helps block out neighbouring properties. Its large glossy leaves cope well with hot fence lines, making it an excellent choice for full sun.
Why we love it:
- Fast-growing privacy screen
- Thrives in full sun
- Large glossy evergreen foliage
- Upright growth for boundary planting
Height: 3–4m
Width: 1.5–2m
Plant spacing: 1m apart
Perfect for: Homeowners wanting privacy as quickly as possible.
2. Callistemon 'Slim'
Best Native Hedge for Narrow Side Paths
Need a hedge that fits into a tight space?
Callistemon 'Slim' was made for exactly that. Its naturally narrow, upright growth makes it ideal for side passages, driveways and modern homes where space is limited.
As an Australian native, it's incredibly tough, handling heat, frost and heavy clay soils with ease. During flowering, its bright red bottlebrush blooms also attract native birds and pollinators.
Why we love it:
- Naturally narrow growth
- Handles heat, frost and tough soils
- Bird-attracting red flowers
- Australian native
Height: 3m
Width: 0.6–1m
Plant spacing: 0.8m apart
Perfect for: Narrow fence lines and compact gardens.

3. Syzygium 'Aussie Compact'
Best Low-Maintenance Privacy Hedge
If you love a neat, modern garden, this Lilly Pilly is a fantastic choice.
'Aussie Compact' naturally forms a tidy hedge that's easy to maintain while producing beautiful flushes of coppery-pink new growth throughout the year. It also has excellent resilience to common garden pests, making it an easy-care option for busy homeowners.
Why we love it:
- Easy-care formal hedge
- Copper-pink new growth
- Tough and reliable
- Holds a neat shape beautifully
Height: 2–3m
Width: 1–1.5m
Plant spacing: 1m apart
Perfect for: Modern gardens and low-maintenance privacy screens.

Quick Hedge Comparison
| Variety | Height | Width | Growth | Best For | Plant Spacing |
|---|---|---|---|---|---|
| Viburnum 'Quick Fence™' | 3–4m | 1.5–2m | Fast | Fast privacy | 1m |
| Callistemon 'Slim' | 3m | 0.6–1m | Fast | Narrow spaces | 0.8m |
| Syzygium 'Aussie Compact' | 2–3m | 1–1.5m | Moderate | Low-maintenance hedges | 1m |
Which Hedge Is Right for You?
Choose Viburnum 'Quick Fence™' if you:
- Want privacy quickly
- Have plenty of room
- Love lush, glossy foliage
Choose Callistemon 'Slim' if you:
- Have a narrow side path
- Want an Australian native
- Love attracting birds
Choose Syzygium 'Aussie Compact' if you:
- Prefer a tidy formal hedge
- Want minimal maintenance
- Love colourful new growth
Frequently Asked Questions
What is the best hedge for full sun in Australia?
If your hedge will be growing against a hot fence in full sun, Viburnum 'Quick Fence™', Callistemon 'Slim' and Syzygium 'Aussie Compact' are all excellent choices. Each variety is well suited to Australian conditions and offers different benefits depending on your garden and the level of maintenance you're after.
What is the fastest-growing privacy hedge?
Viburnum 'Quick Fence™' is our pick for gardeners wanting a dense privacy screen as quickly as possible. Its vigorous upright growth makes it one of the fastest ways to create a lush green boundary.
How far apart should hedge plants be planted?
As a general guide:
- Viburnum 'Quick Fence™' — plant 1m apart.
- Callistemon 'Slim' — plant 0.8m apart.
- Syzygium 'Aussie Compact' — plant 1m apart.
Correct spacing helps your hedge establish evenly while creating a dense screen without overcrowding.
Find the Perfect Hedge Pack
Ready to create a lush, green privacy screen?
Browse our range of hedge packs to find the best option for your garden. Every pack is carefully grown, packed and delivered straight to your door, making it easy to transform your fence line with confidence.
Need a hand deciding? Our Plant Nerds are only a phone call or email away and are always happy to help.