Westringia hybrid 'Ozbreed Aussie Box'
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Aussie Box Westringia
Botanical Name: Westringia hybrid ‘Ozbreed Aussie Box’
Family: Lamiaceae
Origin: Australian hybrid cultivar
Plant Type: Evergreen native shrub
Overview
‘Aussie Box’ is a compact, fine-textured native shrub bred as a low-maintenance alternative to traditional box hedging. Perfectly suited to Adelaide and South Australian gardens, it forms a dense, naturally rounded shape with soft grey-green foliage and minimal pruning needs.
Unlike true box, this tough Westringia thrives in heat, drought, wind and coastal conditions, making it ideal for formal hedging, borders and modern landscapes. Small pale mauve to white flowers appear mainly in spring, with occasional blooms through the year.
Key Features
- Mature Size: 0.4–0.6 m H × 0.4–0.6 m W (compact, rounded form)
- Growth Rate: 15-25 cm per year under good conditions
- Foliage: Fine, narrow leaves in grey-green to soft silver-green tones; evergreen with a dense, tidy texture
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Flowers: Small pale mauve to white blooms; mainly spring with light repeat flowering
- Fragrance: Not fragrant
- Seasonal Interest: Evergreen structure year-round with light seasonal flowering
- Wildlife Value: Attracts bees and beneficial insects when in flower
- Tolerance: Excellent drought tolerance once established; Excellent heat tolerance; Excellent wind tolerance; Excellent coastal salt tolerance (including exposed sites); Light frost tolerant; Adapts to sandy, loam or clay soils if well-drained
- Planting Density: Low hedge: 3–4 plants per metre; Borders/massing: 3–5 plants per m²
- Pet Friendly: Generally regarded as non-toxic
Where It Works Best
- Sunlight: Full sun to light part shade (best density in full sun)
- Soil: Free-draining sandy, loam or improved clay soils; tolerates alkaline and limestone soils common in Adelaide
- Water Needs: Establishment: 2 deep soaks/week for 6–8 weeks. Established: deep soak every 10–14 days in summer; seldom in winter unless very dry
- Maintenance: Very low maintenance; Clip lightly once or twice per year if a formal shape is desired; No special feeding required; native fertiliser optional in poor soils
- Lifespan: Typically 15–25+ years in suitable conditions
- Climate Zones: Ideal for Mediterranean and temperate South Australia, including coastal, plains and foothill gardens
- Soil pH: Neutral to alkaline preferred; tolerant of mildly acidic soils
Landscape & Design Ideas
- Formal low hedges and borders
- Box hedge alternative for modern or native gardens
- Coastal and wind-exposed gardens
- Mass planting for neat, evergreen structure
- Pairs beautifully with Grevillea, Correa, Lomandra, Eremophila
Why You Will Love It
‘Aussie Box’ delivers the neat look of box hedging with true Australian toughness. Compact, drought-hardy and low maintenance, it stays tidy in Adelaide’s heat and coastal winds without constant trimming.