Dodonaea Viscosa
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Sticky Hop Bush / Native Hop Bush
Botanical Name: Dodonaea viscosa
Family: Sapindaceae
Origin: Australia (widespread, including South Australia)
Plant Type: Evergreen shrub to small bushy screen
Overview
A tough, heat-loving Australian native, Dodonaea viscosa thrives in Adelaide’s dry, windy, and coastal conditions. It forms a dense, upright shrub with fresh green foliage that can develop bronze or reddish tones in cold or dry weather. Highly drought-tolerant and excellent for screening, low hedging, or wind protection, it performs reliably across the Adelaide plains, coastal suburbs, and semi-arid regions. Fast-growing and low-maintenance, it’s ideal for gardeners wanting a resilient, evergreen native that copes with poor soil, reflected heat, and exposed sites.
Key Features
- Mature Size: 2–4 m H × 1.5–3 m W (upright, bushy habit; prune to keep compact)
- Growth Rate: 30-60 cm per year under good conditions
- Foliage: Narrow, glossy green leaves; can flush bronze or reddish-purple in winter or dry heat
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Flowers: Small, inconspicuous green-yellow clusters followed by decorative papery seed capsules (pink to reddish tones), spring–summer
- Seasonal Interest: Evergreen structure year-round with colourful seed capsules in warm months
- Wildlife Value: Provides shelter for small birds; seed capsules support insects and ecological diversity
- Tolerance: Extremely drought-tolerant once established; excellent heat, wind, and coastal tolerance; handles light frost; thrives in poor or stony soils common in SA
- Planting Density: Screening: 1–1.2 m apart; hedging: 0.7–1 m apart; feature spacing: 1.5–2 m
- Pet Friendly: Non-toxic to cats and dogs (as with all plants, avoid intentional ingestion)
Where It Works Best
- Sunlight: Full sun for strongest growth; tolerates light shade but becomes looser in habit
- Soil: Free-draining sandy, rocky, or loamy soils; copes with limestone and mild alkalinity typical of coastal SA
- Water Needs: Establishment: 2 deep soaks/week for 8–12 weeks. Established: deep soak every 3-4 weeks in summer (weekly in heatwaves); rarely needed in winter
- Maintenance: Very low maintenance — prune lightly after seed capsules fade to maintain density; can be shaped as a hedge. Mulch in spring and avoid heavy fertilisers.
- Lifespan: 10–20+ years in well-drained, low-water sites
- Climate Zones: Suited to Adelaide plains, northern suburbs, coastal areas, Yorke/Eyre Peninsula, Mallee regions, and low-rainfall SA
- Soil pH: Tolerates slightly acidic to strongly alkaline soils
Landscape & Design Ideas
- Fast, evergreen screen or windbreak for exposed gardens
- Coastal and waterwise landscapes needing tough, reliable structure
- Native and low-maintenance borders
- A resilient backdrop for flowering natives such as Eremophila, Grevillea, and Westringia
Why You Will Love It
Dodonaea viscosa is one of South Australia’s toughest native shrubs — fast-growing, evergreen, and incredibly tolerant of heat, drought, salt, and wind. Its dense habit makes it ideal for screening, while its colourful seed capsules add subtle seasonal interest. A perfect “plant-and-forget” choice for Adelaide gardens needing durable, attractive structure with minimal care.