We are now offering Phormium cookiamnum in the larger 0.5L grade! Enjoy more established, thriving plants ready to make an immediate impact in your garden.
 
Phormium cookianum (Mountain Flax / Wharariki) is a graceful New Zealand native flax known for its arching form and softer foliage. It’s a hardy, elegant plant that adds movement and texture to landscapes.
 
Description
Evergreen clump-forming flax with a flowing, arching habit
Narrower, softer leaves than Phormium tenax
Leaves range from green to blue-green, depending on form
Produces tall flower stalks with tubular flowers
Typically grows 1–2 metres high and wide
 
Growing Conditions
Thrives in full sun to partial shade
Prefers well-drained to moderately moist soil
Moderate watering; more drought-tolerant once established
Hardy to frost, wind, and coastal exposure
Low maintenance; remove old leaves or flower stalks as needed
 
Uses in Landscaping
Ideal for mass planting and feature clumps
Excellent for coastal and exposed sites
Suits native, contemporary, and informal gardens
Works well on slopes and banks for erosion control
Commonly used in commercial and large-scale landscapes