Hardenbergia Violacea 'White Out'

White Coral Pea / False Sarsaparilla / Native Wisteria / White Happy Wanderer

Botanical Name: Hardenbergia violacea 'White Out'
Family: Fabaceae
Origin: Australia
Plant Type: Evergreen climber/groundcover (can be trained as a shrub)

Overview

‘White Out’ is a compact native wisteria ideal for SA fences, trellises and pots. It bears masses of pure white pea flowers in late winter–spring over glossy mid-green foliage. Tough, low-care and pollinator friendly—great for quick, elegant screening.

Key Features

• Mature Size: 2–3 m H × 1.5–2.5 m W
• Growth Rate: 30-60 cm per year under good conditions
• Foliage: Evergreen, mid-green, glossy leaves; tidy climbing/arching habit; new growth can lightly bronze in cold
• Flowers: Showy white pea flowers; lightly fragrant; nectar-rich
  
• Seasonal Interest: Heavy flush late winter–spring (Aug–Oct); occasional spot flowers later in mild years
• Wildlife Value: Attracts bees and butterflies; provides shelter for small birdss
• Tolerance: Drought-tolerant (once established), heat-tolerant, wind-tolerant, second-line coastal-tolerant; light frost (protect from hard frost); clay-tolerant with good drainage
• Planting Density: Fence/trellis: 1 plant per 1–2 metres of run
• Pet Friendly: Non-toxic

Where It Works Best

• Sunlight: Full sun to part shade (best flowering in sun)
• Soil: Well-drained loam, sandy loam or improved light clay
• Water Needs: Establishment: 2 deep soaks/week for 8–12 weeks. Established: deep soak every 10–14 days in summer; monthly in winter if dry
• Maintenance: Mulch in spring; light prune after flowering to keep neat and encourage new shoots; feed with slow-release native (low-P) fertiliser in early spring
• Lifespan: 10–20+ years
• Climate Zones: Suited to temperate and Mediterranean SA gardens, including coastal areas
• Soil pH: Slightly acidic to mildly alkaline

Landscape & Design Ideas

• Privacy screening on trellis/fence with a refined finish
• Train over arches, railings and pergolas; cascade down walls
• Large pots with obelisk/teepee for compact balconies

Why You Will Love It

A fast, floriferous climber that floods late winter with clean white blossom, needs minimal care, and brings pollinators plus year-round greenery to your garden.