Mountain Flax
Phormium Cookianum
Overview
Phormium cookianum, commonly known as Mountain Flax, is a robust, evergreen perennial sporting sword-like leaves, reaching up to 3 ft in length. This New Zealand native thrives in USDA zones 8-10, preferring well-drained soils and full to partial sun. It boasts unique, curving yellow or red flower spikes up to 5 ft tall, adding a dramatic touch to the landscape. Low-maintenance; ideal for mass planting and coastal gardens.
Sun Full, HalfWater Extra in Summer, Low, Medium, Very LowZones 8–10Type Perennial, Shrub

Culture
- Sun
- Full, Half
- Water
- Extra in Summer, Low, Medium, Very Low
- USDA zones
- 8–10
Shape & size
Classification
- Type
- Perennial, Shrub
- Family
- Agavaceae
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Photographs by 7 contributors
- Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 · source
- Mark Anderson, CC BY-SA 4.0 · source
- Krzysztof Golik, CC BY-SA 4.0 · source
- Dr Mary Gillham Archive Project, CC BY 2.0 · source
- Mike Dickison, CC BY 4.0 · source
- David J. Stang, CC BY-SA 4.0 · source
- Avenue, CC BY-SA 3.0 · source





