Casuarina glauca ‘Prostrate’ (Prostrate Swamp Oak)
Casuarina glauca ‘Prostrate’ (Prostrate Swamp Oak)
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Casuarina glauca ‘Prostrate’ is a hardy, low-growing Australian native groundcover valued for its soft, fine, needle-like foliage and dense, spreading habit. This evergreen cultivar forms a lush carpet of green, making it an excellent choice for erosion control, stabilising slopes and embankments, or covering large areas with minimal maintenance.
Highly adaptable, it thrives in a wide range of soil types, including sandy, clay, and poorly drained soils, and tolerates coastal conditions, drought, light frost, and occasional waterlogging once established. Its dense foliage also provides valuable shelter for small birds and beneficial wildlife, making it a practical and attractive addition to native, coastal, and low-maintenance landscapes.

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Mature height
20–40cm
Mature width
2–4m
Spacing
1–2m apart
Evergreen/Deciduous
Evergreen
Foliage
Soft green foliage
Flowering Period & Fruit Development/Harvest
Insignificant flowering
Sun tolerance
Full sun to partial shade
Maintenance
Very low maintenance; prune lightly if required to maintain shape and water regularly until established
Root System
Extensive, spreading root system excellent for erosion control, stabilising banks, and improving soil structure