Hypocalymma robustum (Swan River Myrtle)
Hypocalymma robustum (Swan River Myrtle)
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Hypocalymma robustum, commonly known as Swan River Myrtle, is an attractive Australian native shrub prized for its narrow, aromatic foliage and abundant deep-pink to mauve flowers. The flowers appear in clusters along the stems from winter into spring, creating a spectacular display on this naturally compact plant.
With its manageable size and attractive flowering habit, Swan River Myrtle is well suited to garden borders, informal hedges, specimen planting and native gardens. It performs best in full sun to dappled shade with well-drained soil, and light pruning after flowering helps maintain a dense, bushy form.

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Mature height
Approximately 0.7–1.5 m
Mature width
Approximately 0.6–1.5 m
Spacing
80 cm–1.2 m
Evergreen/Deciduous
Evergreen
Foliage
Deep pink to mauve flowers; narrow green aromatic foliage
Flowering Period & Fruit Development/Harvest
Winter–spring
Sun tolerance
Full sun to dappled/part shade
Maintenance
Low–moderate; provide excellent drainage and lightly prune after flowering to maintain a compact shape
Root System
Fibrous, spreading root system