What to Plant Under Lilly Pillys? Complete Guide for Brisbane Gardens
Lilly pilly is one of the most popular hedging and screening plants in Australia, especially in Brisbane where the climate allows it to grow quickly and densely. Known for its glossy foliage, colourful new growth, and ability to form thick privacy screens, lilly pilly is widely used in residential gardens, commercial landscaping, and boundary planting.
One of the most common questions gardeners and landscapers ask is: what should you plant under a lilly pilly hedge or tree? The area beneath a lilly pilly can be challenging due to shade, root competition, and reduced moisture. Choosing the right companion plants is essential if you want a layered, healthy, and visually appealing garden.
This guide explains what to plant under lilly pilly, the best companion plant types, design ideas, and how to create a low-maintenance planting scheme suited to Brisbane conditions.
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Before choosing companion plants, it helps to understand how lilly pilly behaves in the garden. Lilly pilly generally forms dense evergreen foliage and is commonly used for hedging, screening, and privacy planting. As it matures, it creates a canopy and root zone that changes the planting conditions underneath.
Under established lilly pilly plants, you will usually find filtered light or shade, strong root competition for water and nutrients, and drier soil due to canopy cover. That means the best plants to grow under lilly pilly are species that can tolerate partial shade, dry conditions once established, and some competition from roots.
The best plants to grow under lilly pilly usually fall into a few broad groups: ground covers, strappy plants, shade-tolerant flowering plants, ferns, and low-maintenance structural plants. The right choice depends on whether you want a native garden, tropical look, formal finish, or low-maintenance screening border.
1. Native Ground Covers
Ground covers are one of the best options for planting under lilly pilly. They spread across the soil, help suppress weeds, soften the base of hedges, and make the area look finished rather than bare.
Good choices include native violet, Dichondra repens, and low-growing Myoporum varieties. These plants work well because they can handle shade or filtered light and are useful for covering difficult spaces where lawn struggles to grow. Ground covers also help keep moisture in the soil and reduce the amount of exposed bare ground under your hedge.
If your goal is a neat and low-maintenance result, native ground covers are one of the safest and most practical solutions.
2. Lomandra and Strappy Plants
Lomandra is one of the strongest planting options under lilly pilly because it is hardy, architectural, and adaptable. It works especially well in Brisbane gardens where low maintenance is a priority. Strappy plants add texture contrast against the dense, glossy foliage of lilly pilly and hold their form well throughout the year.
Along with Lomandra, Dianella is another strong option. These plants can cope with part shade, dry conditions once established, and root competition better than many softer perennials. They also suit both modern and naturalistic garden styles, which makes them highly versatile.
If you want a clean, landscape-style finish under a lilly pilly hedge, planting Lomandra or Dianella in repeated groups is one of the best ways to achieve it.
3. Ferns for Shadier Areas
If your lilly pilly is mature and creates heavier shade, ferns are an excellent choice. Ferns bring softness and lushness to the base of a hedge and work particularly well in Brisbane gardens where humidity supports healthy foliage growth.
Use ferns in spots that stay cooler and more protected. They pair well with dense green lilly pilly hedges and help create a layered, established look. Ferns are especially effective when combined with mulch and regular watering during establishment.
This option works well for tropical-style gardens and shaded side boundaries where you want a softer appearance.
4. Clivia for Colour and Reliability
Clivia is another reliable plant to grow under lilly pilly, particularly in shaded Brisbane gardens. It handles dry shade better than many flowering plants and adds seasonal colour through its bright flowers. Its strappy foliage also suits formal, tropical, and low-maintenance garden styles.
Clivia is useful where you want something more ornamental than grasses or ground covers but still practical enough to tolerate the conditions beneath a hedge.
5. Dianella for a Structured Native Look
Dianella is ideal if you want a native planting palette under lilly pilly. It provides a tidy form, subtle flowers, and attractive foliage. It suits modern landscapes, native gardens, and commercial projects because it is reliable and visually consistent.
Dianella works best in repeated planting, where the structure of the foliage can be seen as a pattern under the hedge line. This creates a professional finish and helps unify the whole planting area.
6. Native Violet for Soft Coverage
Native violet is one of the best choices for gardeners asking what to plant under lilly pilly if they want a soft, spreading underplanting layer. It can fill gaps, soften edges, and reduce weed growth. It works especially well at the front edge of a lilly pilly hedge where filtered light is available.
This plant is most useful when you want a greener, more natural-looking carpet rather than a heavily structured planting design.
7. Tropical Plants for a Lush Brisbane Look
If your garden style is more tropical, there are several plants that can work under lilly pilly in filtered light. Cordyline, some Philodendron varieties, and selected shade-tolerant foliage plants can create a resort-style layered effect.
This approach works particularly well if you are using coloured or feature forms such as Plum Magic Lilly Pilly, where the richer foliage tones can contrast well with bold underplanting.
Tropical underplanting needs a little more attention to water and spacing, but visually it can be very effective in Brisbane conditions.
For a simple and practical planting scheme, use a mix of Lomandra, Dianella, and native violet. This combination is easy to maintain, suits Brisbane conditions, and works for both front and back gardens. It also gives you good year-round structure without needing constant trimming or replanting.
Tropical Garden Style
If you want a lush look, combine ferns, Clivia, Cordyline, and shade-tolerant tropical foliage under your lilly pilly hedge. This style works best where the hedge is used as a green backdrop and the underplanting is meant to feel layered and dense.
Formal Landscape Style
For a neat and architectural finish, use repeated blocks of one or two plant types such as Lomandra or Dianella. The repetition creates a clean, designed appearance and suits modern homes, commercial landscapes, and structured front gardens.
Wildlife-Friendly Garden Style
If you want to support biodiversity, use native underplanting species that attract insects and birds while still coping with the filtered light conditions. Combine low native grasses, ground covers, and flowering natives around the outer edge of the root zone.
What Not to Plant Under Lilly Pilly
Not every plant will perform well under lilly pilly. Avoid species that need full sun all day, high moisture without competition, or deep loose soil free of roots. Plants that are sensitive to dry shade often struggle once the lilly pilly matures.
You should also avoid plants with aggressive root systems that will directly compete in the same space, as this can create stress for both the hedge and the underplanting. Very thirsty plants can also become difficult to maintain because the hedge canopy often reduces how much rainfall reaches the soil beneath.
If a plant is known for needing soft, rich, constantly moist soil and open light, it is usually not the best choice under an established lilly pilly hedge.
How to Prepare the Area Under Lilly Pilly
Good preparation makes a major difference. Before planting, clear out weeds and loosen the top layer of soil carefully without damaging major roots. Add compost or organic matter to improve structure, but do not dig aggressively into the root zone. If the area is very dry, water it thoroughly before planting.
Mulch is essential. A good mulch layer helps hold moisture, reduces weed growth, protects the soil surface, and makes it easier for new companion plants to establish. Keep mulch slightly away from the stems of the new plants and from the trunk of the lilly pilly itself.
It is also a good idea to prune the lilly pilly lightly if the canopy is extremely dense. Allowing a little more filtered light in can improve the success of plants underneath.
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When planting under lilly pilly, space your plants according to their mature size rather than squeezing too many into the area. Crowding may look good on day one, but it often causes unnecessary competition later.
Water the new plants consistently during their establishment period. Even drought-tolerant plants need regular moisture when first planted, particularly under hedges where rain penetration can be reduced. Once established, many of the best underplanting choices become much easier to manage.
It also helps to choose younger or smaller plants rather than very advanced ones for underplanting. Smaller plants often adapt better to root competition and settle into the site more effectively.
Spacing Guide for Plants Under Lilly Pilly
As a general guide, low ground covers can be planted around 20cm to 40cm apart depending on how quickly you want them to fill in. Lomandra and Dianella can usually be spaced around 40cm to 70cm apart depending on the mature variety. Ferns and Clivia should be given enough room to spread naturally without overcrowding.
Spacing matters because the area under lilly pilly already has limited resources. Giving each plant enough room improves airflow, establishment, and long-term performance.
Best Lilly Pilly Varieties to Use in Brisbane Gardens
The variety of lilly pilly you choose can affect how much shade and root competition develops underneath. For general screening and hedging, Lilly Pilly Select 25L is a strong option where you want a dependable hedge foundation.
If you want foliage colour and a more decorative presence, Lilly Pilly Plum Magic 25L is well suited to feature hedging and modern planting schemes.
For buyers wanting durability and reliable performance, Lilly Pilly Resilience 25L is a useful option for low-maintenance screening in Brisbane conditions.
Garden Design Ideas Using Underplanting Beneath Lilly Pilly
Boundary Hedge with Soft Base
Use a lilly pilly hedge as the main screen along the boundary, then soften the bottom edge with native violet and groups of Lomandra. This prevents the hedge from looking harsh and creates a more finished garden border.
Feature Hedge with Coloured Underplanting
If you are using a decorative variety such as Plum Magic, add underplanting with contrasting foliage textures. Dianella, Clivia, and ferns can work well depending on the light.
Driveway or Side Path Planting
Underplanting under lilly pilly is especially useful along long side boundaries or driveways where lawn may struggle. Use a simple repeated palette for easier maintenance and a cleaner visual result.
Commercial or Front Garden Layout
For a professional appearance, use repeating structured plants under a clipped lilly pilly hedge. This style works well in front yards and commercial landscapes because it looks deliberate and is relatively easy to maintain.
Common Problems When Planting Under Lilly Pilly
Bare Soil and Weed Growth
This usually happens when the area is left unplanted or when unsuitable plants fail to establish. The fix is to use denser, more shade-tolerant underplanting such as ground covers or repeated strappy plants.
Plants Struggling to Grow
If new plants stall or decline, the cause is often root competition, lack of water during establishment, or too much shade. Improve conditions with mulch, consistent watering, and better species selection.
Dry Soil Under the Hedge
The canopy often prevents rainfall from fully reaching the soil. Deep watering and mulch help correct this, especially in warmer months.
Patchy Appearance
This often comes from mixing too many unrelated plant types in a small area. A limited palette repeated consistently usually looks better and is easier to maintain.
Maintenance Tips for Plants Under Lilly Pilly
Once your planting is established, maintenance is fairly straightforward. Prune the lilly pilly hedge regularly so light can filter through. Keep mulch topped up. Water deeply during extended dry periods. Remove weeds early before they spread through the underplanting.
If needed, apply a light fertiliser suited to your chosen underplanting species. Avoid overfeeding because the area under hedges can already be competitive, and some native plants prefer lower-input conditions.
Regular observation is the key. Small corrections early are easier than replacing large sections later.
Why Underplanting Lilly Pilly Improves the Whole Garden
Planting under lilly pilly does more than fill a gap. It creates a layered garden, suppresses weeds, reduces bare soil, improves the visual finish, and can make the whole hedge line look more intentional and professionally designed.
Underplanting also helps connect a hedge to the rest of the landscape. Instead of a floating wall of green, you create a complete planting composition from top to bottom.
Best Plants Under Lilly Pilly for Brisbane
If you want the simplest shortlist, the best plants to grow under lilly pilly in Brisbane are:
Native violet for soft ground cover. Lomandra for structure and low maintenance. Dianella for a tidy native look. Ferns for shaded tropical softness. Clivia for colour in dry shade. Cordyline or tropical foliage for a lush modern garden in filtered light.
These are among the most practical choices because they suit the conditions created by established lilly pilly hedges.
Frequently Asked Questions
What is the best plant to grow under lilly pilly?
Some of the best plants under lilly pilly are native violet, Lomandra, Dianella, ferns, and Clivia. The best option depends on how much shade the hedge creates and the style of garden you want.
Can you plant under a lilly pilly hedge?
Yes. You can successfully plant under a lilly pilly hedge as long as you choose species that tolerate shade, root competition, and lower moisture.
What grows in dry shade under hedges?
Lomandra, ferns in suitable spots, Clivia, Dianella, and selected ground covers are all useful for dry shade conditions under hedges.
How do you stop weeds under lilly pilly?
The best way is to use mulch plus dense underplanting such as ground covers or repeated structured plants that reduce open soil.
Do plants under lilly pilly need extra water?
They usually need more attention during establishment because the hedge roots compete for moisture and rainfall may not always reach the soil evenly under the canopy.
Conclusion
If you have been wondering what to plant under lilly pilly, the key is to work with the conditions the hedge creates rather than against them. Choose plants that can handle filtered light, root competition, and lower moisture. Ground covers, Lomandra, Dianella, ferns, Clivia, and selected tropical foliage are among the best options depending on your garden style.
For Brisbane gardens, this approach creates a cleaner, healthier, and more complete planting design. Whether you want a native low-maintenance garden, a formal modern layout, or a tropical layered effect, the right underplanting can transform the base of a lilly pilly hedge from a difficult bare strip into an attractive part of the landscape.
