
Why It’s a Great Idea to Plant in Winter
Description:
Westringia ‘Zena’ is a compact, easy-care native shrub prized for its dense silver-grey foliage and soft mauve flowers. This hardy, low-growing variety is ideal for formal and informal hedges, borders, and coastal gardens. Naturally neat in shape, ‘Zena’ is also perfect for low-maintenance topiary or clipped shapes in modern garden designs.
Flowers:
Soft mauve to pale purple flowers bloom mainly in spring and summer, with spot flowering year-round in ideal conditions. The small blooms add a delicate contrast to the silvery foliage.
Foliage:
Fine, narrow silver-grey leaves provide a soft texture and a bright, fresh appearance year-round. The foliage holds its colour well in full sun or coastal exposure.
Fruit:
Not typically noticeable or ornamental.
Form & Size:
Compact, rounded shrub growing approximately 50–75cm high and 75–100cm wide, with a dense, bushy habit.
Growing Conditions:
Position: Thrives in full sun to part shade.
Soil: Adapts to a wide range of well-drained soils, including sandy and coastal conditions.
Climate: Drought, frost, and coastal tolerant once established.
Watering: Low water requirements once established. Benefits from deep watering in extended dry periods.
Uses:
Ideal for low hedging, borders, or mass planting.
Excellent for formal clipped shapes or natural-looking plantings.
Perfect for coastal gardens, native landscapes, or modern designs.
Maintenance:
Very low-maintenance.
Prune lightly to maintain shape or create formal hedges.
Feed with a slow-release native fertiliser in spring if required.
Notes:
Wind, salt, and drought-tolerant – ideal for tough coastal sites.
Maintains a neat, compact habit with minimal pruning.
Provides year-round structure and colour in any garden style.
Companion Plants:
Pairs well with Callistemon ‘Little John’, Lomandra ‘Lime Tuff’, Grevillea ‘Rosy’s Baby’, and Dianella ‘Little Jess’ for a balanced, low-maintenance landscape.
Common Name: Zena Coastal Rosemary
Botanical Name: Westringia fruticosa ‘Zena’
Family: Lamiaceae
Origin: Australia (cultivar)
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