Modern mixed border with Phormium 'Guardsman' (New Zealand Flax) at public arboretum

Phormium tenax, New Zealand flax, is a versatile evergreen perennial adapted to many summer-dry climate gardens. This striking plant features long, sword-like leaves that can range in color from vibrant green to deep red. Phormium tenax is known for its clumping growth habit, reaching heights of 4-6 feet and spreading 4-6 feet wide. Ideal growing conditions for this plant include full sun to part shade and well-draining soil. Phormium tenax is drought tolerant once established, making it perfect for mediterranean gardens. This plant originates from New Zealand and is commonly found in coastal regions. Phormium tenax is commonly used for its architectural interest in mixed borders, as a focal point in a garden, or in containers.