Casuarina equisetifoliaCoastal She-Oak

The Casuarina equisetifolia, or Coastal She-Oak, is a fast-growing, evergreen tree known for its fine, needle-like foliage and adaptability to coastal environments. Reaching heights of up to 15–35 meters, it has a slender, upright form and dense canopy that provides excellent windbreaks and shade. Its small cone-like fruits and ability to thrive in sandy and saline soils make it ideal for stabilizing coastal dunes and preventing erosion.

Native to Australia and Southeast Asia, the Coastal She-Oak is a versatile tree suited for ornamental, ecological, and functional planting.

Specifications:

• Height: 15–35 meters
• Width: 5–10 meters
• Native to: Australia, Southeast Asia, and the Pacific Islands
• Foliage: Fine, needle-like branchlets resembling pine needles, with a soft, airy appearance
• Growth rate: Fast

Conditions:

• Soil: Prefers well-drained sandy or loamy soils; tolerates saline and poor soils
• Light: Full sun
• Water: Low; drought-tolerant once established
• Climate: Thrives in tropical, subtropical, and coastal regions

Additional Features:

• Form: Slender, upright trunk with a dense canopy of fine foliage
• Uses: Ideal for windbreaks, erosion control, shade, and ornamental planting in coastal landscapes
• Spacing: Plant 5–10 meters apart for windbreaks or individual displays
• Low Maintenance: Requires minimal care; prune to manage size or shape if necessary
• Pest Resistance: Naturally resistant to pests and diseases with basic care
• Environmental Benefits: Stabilizes soil, prevents erosion, and supports wildlife habitats
• Salt Tolerance: Highly tolerant of salt spray and sandy coastal conditions
• Cultural Uses: Traditional use for timber, firewood, and shade in Indigenous communities

The Coastal She-Oak is a resilient and multifunctional tree, perfect for protecting coastal areas, enhancing biodiversity, and adding structure to landscapes with challenging conditions.