Phormium Tenax Green

Phormium tenax ‘Green’

Common Names: New Zealand Flax, Harakeke (Green form)
Family: Asphodelaceae
Origin: New Zealand (native)
Plant Type: Evergreen Perennial / Grass-like

Overview:

Phormium tenax ‘Green’ is the classic form of New Zealand flax, renowned for its tall, sword-shaped, vibrant green leaves. This robust and architectural plant is iconic in New Zealand’s landscapes and gardens, offering strong vertical structure and a dramatic focal point. It is widely used in coastal, native, and contemporary garden designs for its versatility and low maintenance.

Key Features:

• Foliage: Tall, broad, sword-shaped leaves in rich green hues, erect and arching

• Flowers / Fruit: Tall flower stalks with tubular, usually orange or red flowers appearing in summer, followed by seed pods

• Form & Habit: Upright, clumping perennial with strong architectural form

• Growth Rate: Moderate to fast

• Cultural & Ecological Value: Traditionally used by Māori for weaving and crafting; supports native birds and insects

Mature Size:

Ideal Growing Conditions:

Landscaping & Garden Uses:

• Structural feature plant in native and coastal gardens

• Accent or focal plant in modern and contemporary landscapes

• Screening and shelter planting

• Mass planting for erosion control

• Container planting for patios and decks

Care & Maintenance:

• Pruning: Remove old, damaged leaves to maintain tidy appearance

• Watering: Moderate watering; drought tolerant once established

• Feeding: Apply balanced fertiliser in spring to encourage growth

• Pests & Diseases: Generally pest and disease resistant; watch for flax weevil in some areas

• Additional Tips: Mulch to conserve moisture and suppress weeds

Fun Fact / Botanical Insight:

Phormium tenax is a taonga (treasured) plant for Māori, historically harvested for its strong fibres used in weaving clothing, ropes, and baskets. Its striking foliage also makes it a popular choice worldwide.

Why Choose Phormium tenax ‘Green’?

For gardeners seeking a classic, hardy, and bold architectural plant, Phormium tenax ‘Green’ offers year-round presence, cultural significance, and adaptability across many garden styles and conditions.