Atriplex semibaccata
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Berry Saltbush
Botanical Name: Atriplex semibaccata
Family: Amaranthaceae
Origin: Australia
Plant Type: Perennial shrub
Overview
Berry Saltbush is a resilient Australian native groundcover that excels in challenging conditions where other plants struggle. This hardy perennial forms dense, spreading mats of silvery-grey foliage, making it perfect for erosion control, coastal gardens, and low-maintenance landscapes. Its exceptional drought tolerance and ability to thrive in poor soils make it an invaluable choice for sustainable gardening.
Key Features
- Mature Size: 0.3 m H x 1.5 m W
- Growth Rate: Moderate; 15–25 cm per year; low spreading habit with prostrate branching
- Foliage: Small, fleshy, silvery-grey to blue-grey leaves with succulent texture
- Flowers: Insignificant greenish clusters in summer; non-fragrant
- Seasonal Interest: Year-round silvery foliage colour; small berry-like fruits in autumn
- Wildlife Value: Seeds attract small birds; provides ground cover habitat for beneficial insects
- Tolerance: Extreme drought, moderate frost to -5°C, coastal salt spray, strong winds, clay soils, intense heat
- Planting Density: Erosion control: 80–100 cm apart; general groundcover: 120–150 cm apart
- Pet Friendly: Non-toxic to dogs and cats; safe for grazing animals
Where It Works Best
- Sunlight: Full sun; tolerates light shade but may become leggy
- Soil: Adaptable to all soil types including heavy clay, sandy, and saline soils; excellent drainage not essential
- Water Needs: Establishment: 8–10 weeks with weekly watering. Established: Summer fortnightly; Winter monthly or rely on rainfall
- Maintenance: Extremely low; occasional trim to maintain shape if desired
- Lifespan: 8–12 years
- Climate Zones: All SA regions including coastal, Hills, inland, and arid zones
- Soil pH: Tolerates 6.0–8.5; particularly good in alkaline soils
Landscape & Design Ideas
- Mass plant on slopes for erosion control and low-maintenance groundcover
- Use as informal border edging along driveways and pathways in dry gardens
- Combine with other native succulents in water-wise rock gardens and coastal landscapes
Why You Will Love It
Berry Saltbush is the ultimate set-and-forget groundcover for South Australian gardens. Once established, it thrives on neglect while providing year-round coverage with its attractive silvery foliage. Perfect for busy gardeners who want a reliable, water-wise solution that looks good in all seasons and handles whatever our climate throws at it.