Hardenbergia violacea 'Royal Flush' (Royal Flush Native Sarsaparilla)
Hardenbergia violacea 'Royal Flush' (Royal Flush Native Sarsaparilla)
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Hardenbergia violacea 'Royal Flush' is a hardy Australian native evergreen climber admired for its masses of rich purple, pea-shaped flowers and attractive dark green foliage. The vibrant blooms create a spectacular seasonal display, while the twining growth habit makes this variety ideal for climbing trellises, fences, arches, pergolas, and garden structures. It can also be trained as a spreading groundcover with suitable support.
Thriving in full sun to partial shade and well-drained soil, Hardenbergia violacea 'Royal Flush' is relatively drought tolerant once established and requires minimal maintenance. Light pruning after flowering helps maintain a dense, tidy form and encourages fresh growth. The nectar-rich flowers also provide valuable food for bees, butterflies, and other pollinators.

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Mature height
1.5–2.5 m (with support)
Mature width
1–2 m
Spacing
1–1.5 m
Evergreen/Deciduous
Evergreen
Foliage
Rich purple flowers with dark green foliage
Flowering Period & Fruit Development/Harvest
Winter to Spring
Sun tolerance
Full sun to partial shade
Maintenance
Low; provide support for climbing, water while establishing, prune lightly after flowering, and avoid prolonged waterlogging
Root System
Fibrous root system; non-invasive