Westringia fruticosa ‘Wynyabbie Gem’ (Coastal Rosemary)
Westringia fruticosa ‘Wynyabbie Gem’, commonly known as Coastal Rosemary, is a hardy Australian native shrub with soft, fine-textured foliage and beautiful lavender-purple flowers that bloom throughout the year. It is a fast-growing, drought-tolerant, and salt-tolerant plant, making it an excellent choice for hedging, screening, and coastal gardens.
Key Features
- Scientific Name: Westringia fruticosa ‘Wynyabbie Gem’
- Common Name: Coastal Rosemary, Wynyabbie Gem
- Family: Lamiaceae
- Native Range: Australia (Westringia fruticosa is native to coastal areas, ‘Wynyabbie Gem’ is a hybrid variety)
- Growth Habit: Fast-growing, dense evergreen shrub, reaching 1.5–2 meters tall and wide
- Leaves: Fine, narrow, grey-green leaves, soft to the touch
- Flowers:
- Small, lavender-purple flowers
- Blooms most of the year, peaking in spring and summer
- Drought & Frost Tolerance: High; very adaptable
- Salt Tolerance: Excellent for coastal areas
- Uses: Hedging, screening, topiary, feature shrub, erosion control
Growing & Care Guide
1. Planting Requirements
✅ Sunlight: Prefers full sun to part shade.
✅ Soil: Well-drained sandy, loamy, or clay soils.
✅ pH: Neutral to slightly acidic soil.
✅ Location: Perfect for coastal gardens, windbreaks, and dry landscapes.
2. Watering & Feeding
💧 Watering:
- Young plants: Water regularly until established.
- Mature plants: Highly drought-tolerant, requiring occasional deep watering in extended dry spells.
🌱 Fertilization:
- Apply a slow-release, low-phosphorus fertilizer in spring for optimal growth.
- Mulch around the base to retain moisture and suppress weeds.
3. Pruning & Maintenance
✂️ Pruning:
- Prune lightly after flowering to maintain shape and encourage dense growth.
- Can be clipped into a formal hedge or left as a natural shrub.
- Responds well to regular pruning, making it a great choice for topiary and formal gardens.
🌿 Mulching:
- Apply organic mulch (e.g., bark or compost) around the base for moisture conservation.
4. Pests & Diseases
🐜 Pest Resistance:
- Generally pest-free, but may occasionally attract aphids or scale insects.
- If needed, treat with horticultural oil or insecticidal soap.
🦠 Disease Resistance:
- Root rot can occur in poorly drained soils—ensure proper drainage.
- Thrives in dry, well-ventilated conditions.
5. Propagation
🌱 Grown from Cuttings:
- Best propagated from semi-hardwood cuttings taken in late summer or autumn.
- Cuttings root easily in well-draining soil.
6. Landscaping & Uses
✅ Hedging & Screening: Fast-growing and easy to shape into low to medium hedges.
✅ Feature Shrub: Perfect as a standalone feature in native or coastal gardens.
✅ Coastal & Drought-Tolerant Gardens: Salt-tolerant and thrives in hot, dry conditions.
✅ Erosion Control: Excellent for stabilizing slopes and sandy soils.
✅ Topiary & Formal Gardens: Responds well to pruning, making it ideal for structured landscaping.
Why Grow Westringia ‘Wynyabbie Gem’?
- Hardy, drought-resistant, and low-maintenance – thrives in tough conditions.
- Year-round soft lavender flowers – adds beauty and attracts pollinators.
- Excellent for hedging and screening – fast-growing and easy to maintain.
- Salt-tolerant & wind-resistant – perfect for coastal gardens.



