Phormium cookianum Platts Black | New Zealand Flax
- Genus: Phormium
- Species: cookianum
- Cultivar: Platts Black
- Eventual Height: 100
- Eventual Spread: 100
- Position: full sun, partial shade, north, south, east, west
- Evergreen or Deciduous: Evergreen
- Soil Drainage well drained
- Soil PH: acid, alkaline, neutral
- Exposure: exposed, sheltered
- Hardiness: (H4) Hardy
Originally from New Zealand. In hot summers a spike of tubular flowers come up through the middle of dark purple, strappy, sword-shaped leaves. These give way to seed heads. The dark foliage of the Platts Black makes a beautiful contrast against green shrubs in a border.
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