Ground Cover Plants Australia: Native and Lawn Options

Quick answer: The best ground cover plants for Australia include creeping boobialla (Myoporum parvifolium) for full sun and erosion control, kidney weed (Dichondra repens) for shaded lawn alternatives, and native violet (Viola hederacea) for moist borders. These native species conserve soil moisture and outcompete weeds.

Ground cover plants are the unsung champions of the Australian landscape. In a climate characterized by intense summer solar radiation, dry winds, and sporadic rainfall, bare soil degrades quickly, forming hard, water-repellent crusts that shed water rather than absorbing it.

By planting dense, low-growing native ground covers, you establish a "living mulch" that cools the soil surface, prevents weed emergence, stabilizes slopes against erosion, and creates habitat for beneficial predatory insects. Whether you are replacing a thirsty grass lawn, carpeting a garden bed, or underplanting your veggie patch, adapted ground covers provide long-term resilience with minimal maintenance.

Benefits of living mulches in Australian gardens

Covering bare soil with living foliage provides functional advantages that exceed traditional bark mulches:

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During 40°C heatwaves in Melbourne, Adelaide, Sydney, or Perth, bare garden soil surfaces get extremely hot on a 40°C day, killing beneficial mycorrhizal fungi and earthworms. A dense ground cover layer acts as an insulating thermal blanket, keeping the root zone substantially cooler throughout the day.

Living mulches also eliminate the recurring expense of buying truckloads of woodchip mulch every spring. Once established, the dense canopy of leaves shades out weed seeds, preventing troublesome annual grasses and broadleaf weeds from germinating. Furthermore, living roots continuously secrete organic compounds that feed beneficial soil bacteria, improving nutrient cycling naturally.

For broader soil temperature management techniques, review our guide to living mulch for soil cooling.

Best native ground covers for full sun and dry soils

These tough native species handle intense sun, low rainfall, and sandy or clay soils across Mediterranean, temperate, and subtropical Australia.

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In coastal gardens, Carpobrotus glaucescens (pigface) stabilizes shifting sand dunes while resisting salt-laden ocean winds. In inland regions where frost and heat alternate, Chrysocephalum apiculatum provides year-round colour with silvery, sun-reflective leaves.

For companion planting arrangements, explore our resource on drought-tolerant plants.

Best ground covers for shade, damp spots, and lawn alternatives

Shaded side passages, courtyard borders beneath tree canopies, and narrow verges often struggle to support conventional turf grass.

1. Kidney Weed (Dichondra repens)

A native perennial with bright green, kidney-shaped leaves that forms a dense, soft carpet 3 cm to 5 cm tall.

• Sunlight: Full sun to heavy shade (thrives in dappled light).
• Lawn Alternative: Tolerates light foot traffic, never requires mowing, and remains lush green in shaded areas where buffalo or couch grass thins out.
• Establishment: Can be established from seed plugs or turf rolls in autumn or spring.

2. Native Violet (Viola hederacea, syn. Erpetion reniforme; much nursery stock is the closely related Viola banksii)

Forms a creeping, emerald-green mat adorned with dainty purple and white two-tone flowers for up to nine months of the year.

• Sunlight: Semi-shade to full shade.
• Requirements: Prefers moist, humus-rich soil; ideal for damp courtyard paths and underplanting ferns or citrus trees.

3. Matted Pratia (Pratia pedunculata / Lobelia pedunculata)

A miniature creeping perennial that hugs the soil tightly, producing a profusion of tiny star-shaped blue or white flowers in spring and summer. Withstands damp conditions along garden edges and stepping stones.

Edible and bush tucker ground covers

Integrating edible ground covers into your landscape turns open ground into a functional food source:

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Warrigal greens make an outstanding living mulch in home veggie patches. As the broad triangular leaves sprawl between tomato plants or under fruit trees, they prevent weed germination while providing fresh greens for harvest. Blanch the leaves in plenty of boiling water for one to two minutes and tip the water away — discarding the water is what removes the oxalates. People prone to kidney stones should eat them sparingly regardless.

For soil cover strategies on sandy plots, see sandy soil cover crops.

Planting, spacing, and establishment guide

Establishing a solid, weed-free ground cover carpet requires proper site preparation:

1. Clear existing weeds: Thoroughly dig out perennial grass roots (like couch or kikuyu) before planting.
2. Aerate and amend: Fork in well-rotted compost to improve moisture holding capacity in sandy soil or loosen dense clay.
3. Spacing: Space vigorous species (Myoporum, Carpobrotus) 60 cm to 80 cm apart. Space smaller species (Dichondra, Chrysocephalum) 30 cm to 40 cm apart.
4. Mulch between plants: Apply a 5 cm layer of organic bark or straw mulch between the newly planted tubes. This suppresses weeds while the ground cover runners grow and knit together.
5. Watering during establishment: Water twice a week for the first four to six weeks. Once runners root at leaf nodes along the ground, reduce watering to occasional deep soakings during prolonged dry spells.

Long-term maintenance and rejuvenating older plantings

Native ground covers require very little maintenance once established, but occasional care maintains a tidy appearance:

• Edge trimming: Trim wandering runners away from lawn edges, garden paths, and small delicate shrubs once or twice a year using hand shears.
• Pruning woody centres: After several years, species like Myoporum or Chrysocephalum may develop woody or sparse central patches. Lightly shear the foliage back by one-third in early spring (September) and apply a seaweed tonic to stimulate vigorous new basal shoots.
• Spot-weeding: Inspect the green carpet every few months to remove any airborne weed seedlings (such as dandelions or sow thistles) before they establish deep taproots.

By selecting adapted native ground covers for your sun and soil conditions, you can replace high-maintenance turf, suppress weeds permanently, and keep your garden soil cool and productive throughout the Australian summer.