Westringia ‘Blue Moon’ (Blue Moon Coastal Rosemary)
Westringia ‘Blue Moon’ (Blue Moon Coastal Rosemary)
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Westringia ‘Blue Moon’ is a compact, evergreen Australian native shrub admired for its soft grey-green foliage and profusion of mauve-blue flowers that appear throughout much of the year. Its naturally dense, rounded habit makes it an excellent choice for low hedging, borders, coastal gardens, and contemporary landscapes.
Highly tolerant of drought, coastal conditions, wind, and light frost once established, this hardy shrub requires minimal maintenance while providing year-round colour and structure. Attractive to bees and other pollinators, ‘Blue Moon’ is ideal for mass planting, feature gardens, and water-wise landscapes where reliability and beauty are equally important.

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Mature height
1 to 1.5m
Mature width
1 to 1.5m
Spacing
80cm to 1m
Evergreen/Deciduous
Evergreen
Foliage
Soft grey-green foliage with mauve-blue flowers
Flowering Period & Fruit Development/Harvest
Spring to autumn, with intermittent flowering throughout the year
Sun tolerance
Full sun to part shade
Maintenance
Low, lightly prune after flowering to maintain a dense, compact habit and encourage repeat blooms
Root System
Moderately deep, non-invasive root system suitable for hedging, borders, coastal gardens, and mass planting