Boronia Megastigma
Not sure how many you need? Use the hedge calculator below.
Plants travel upright in enclosed trucks - not general couriers. Learn more
Enter your hedge length to estimate how many plants you’ll need.
Tight = faster privacy, more plants upfront
Brown Boronia
Botanical Name: Boronia megastigma
Family: Rutaceae
Origin: South-western Western Australia
Plant Type: Evergreen shrub
Overview
Famous for its intensely fragrant, bell-shaped flowers, Brown Boronia brings unbeatable perfume to late winter–spring gardens. A compact, fine-foliaged shrub that thrives in cool, well-drained, evenly moist positions with morning sun/afternoon shade. Best in pots or sheltered borders in South Australia.
Key Features
- Mature Size: 0.6–1.2 m H × 0.6–0.8 m W
- Growth Rate: 15–30 cm/year (moderate)
- Foliage: Fine, mid-green, aromatic when brushed
-
Flowers: Very fragrant cup/bell flowers, chocolate-brown to maroon outside, yellow/green inside, mainly late winter–spring
- Seasonal Interest: Powerful winter–spring fragrance; neat evergreen foliage year-round
- Wildlife Value: Attracts pollinating insects
- Tolerance: Not drought-tolerant (needs consistent moisture), moderate heat-tolerant in shade with irrigation, wind-tolerant if sheltered, not coastal (avoid salt/wind), light frost (protect from hard frost)
- Planting Density: Borders/low hedge: 2–3 plants per metre (≈ 35–50 cm centres); Mass planting: 4–6 plants/m²
- Pet Friendly: Generally non-toxic; any plant ingestion may upset pets
Where It Works Best
- Sunlight: Morning sun to part shade (avoid hot afternoon sun)
- Soil: Sandy/loam, rich in organic matter, excellent drainage; keep roots cool with mulch
- Water Needs: Establishment: 2 deep soaks/week for 8–12 weeks. Established: keep evenly moist; water weekly in summer (more in heatwaves); do not let dry out completely
- Maintenance: Light tip-prune after flowering to keep bushy (don’t cut into old wood). Avoid root disturbance. Feed lightly in late winter with low-P native fertiliser; refresh mulch
- Lifespan: Typically 3–7 years (short-lived but spectacular)
- Climate Zones: Temperate & Mediterranean SA in sheltered spots; excels in containers
- Soil pH: Acidic to neutral (prefers acid)
Landscape & Design Ideas
- Pots by doors/windows to enjoy the perfume
- Shaded border with other fragrance stars (daphne, hellebore)
- Protected courtyard/entry where irrigation is easy (not a privacy hedge)
Why You Will Love It
Unmatched winter–spring perfume in a compact shrub—perfect for containers and sheltered SA gardens where fragrance is the hero.