Vinca minor 'Darts Blue'
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Dart's Blue Periwinkle / Dwarf Periwinkle
Botanical Name: Vinca minor 'Darts Blue'
Family: Apocynaceae
Origin: Europe & Western Asia
Plant Type: Evergreen shrub
Overview
A shade-loving classic for Adelaide gardens, ‘Dart’s Blue’ forms a neat, weed-suppressing carpet that threads elegantly between shrubs and under trees. Glossy leaves stay fresh year-round while periwinkle-blue, starry blooms appear in late winter–spring, with spot flowers through the warmer months if watered.
Key Features
- Mature Size: 10–15 cm H × 60–100+ cm W (spreads via slender runners)
- Growth Rate: 15-30 cm per year (runners) under good conditions
- Foliage: Small, glossy, ovate leaves; dense, evergreen mat
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Flowers: Periwinkle-blue, 3–4 cm blooms mainly late winter–spring, then intermittently to autumn with irrigation
- Seasonal Interest: Evergreen texture year-round; early-season colour when gardens are quiet
- Wildlife Value: Good for pollinators (bees & beneficials visit the nectar)
- Tolerance: Drought & heat tolerant once established (in shade/part shade); light frost hardy; copes with coastal wind if soil drains; avoid waterlogging
- Planting Density: Mass: 6–9 plants/m² for quick cover (4–6/m² for economy) • Edging/between pavers: ~3 plants per linear metre
- Pet Friendly: No — considered toxic if eaten (contains vinca alkaloids). Discourage chewing
Where It Works Best
- Sunlight: Part shade to shade (morning sun/filtered light ideal); tolerates full sun in cool seasons if soil doesn’t bake
- Soil: Well-drained loam or sandy loam; thrives with organic mulch; adapts to improved clay
- Water Needs: Establishment: 2 deep soaks/week for 8–12 weeks. Established: deep soak every 10–14 days in summer (more in heatwaves/containers); rarely in winter if dry
- Maintenance: Trim runners after flowering to contain edges; shear lightly in late winter to refresh; top-dress with compost/mulch annually; edge barriers help keep it where you want it
- Lifespan: 10-20+ years
- Climate Zones: Suited to temperate and Mediterranean SA gardens, including coastal areas
- Soil pH: Slightly acidic to mildly alkaline; happy on Adelaide limestone
Landscape & Design Ideas
- Underplant trees and shrubs (camellias, viburnums, olives) where turf struggles; keeps a clean, green floor
- Weed-suppressing carpet on slopes and difficult side passages; combine with lomandra or westringia for layered texture
- Thread between pavers or stepping stones for a cottage/European look; also excellent in pots & troughs as a trailing spillover
- Shade courtyard softener: pairs with hellebore, clivia or heuchera to brighten low-light corners
Why You Will Love It
A tidy, evergreen carpet that thrives in the tricky, dry shade spots and brings months of blue bloom just when you need it. It’s low-maintenance, weed-suppressing and water-wise, giving Adelaide gardens a polished, European finish with minimal effort.