Phormium cookianum is also known as Mountain Flax, or sometimes Wharariki. It is a perenial plant which is native to New Zealand, and that naturalized in mild coastal zones like the Scilly Islands. (UK) This plant has long evergreen and drooping leaves.
Phormium cookianum is a plant which is adapted to coastal conditions, and which can withstand negative temperatures down to about 15°F (-9°C to -10°C). This plant can thus be grown in USDA zones 8b and warmer.
Phormium cookianum has long drooping evergreen leaves that can be up to 6 ft (2 m) long. The species has green leaves, but there are also varieties and forms that have variegated leaves. For instance :
Phormium cookianum ssp. hookeri 'Cream Delight' has green leaves with yellow-cream stripes.
Phormium cookianum ssp hookeri 'Tricolor' which has green leaves with red and yellow edges.
Phormium cookianum 'Variegatum' with variegated leaves.
Flowers are yellow-green, with prominent scarlet stamens. Moreover, Phormium cookianum has hermaphrodite flowers.
Phormium cookianum requiert les expositions suivantes : mi-ombre,lumière,soleil This Phormium can grow in a relatively large range of soils, but prefers a well drained ground.
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Category - perennial
Dimensions
Height 2.00 m
Width 2.00 m
Minimum temperatures
The plant is likely to die as soon as temperature is below -10.0 °C
Leaves and other aerial parts are damaged as soon as temperatures drops to -8.0 °C
Exposure - partial shade, light, full sun
Leaves - evergreen
Flowers - Color(s) : yellow, red, green
Propagation - offset, seeds This Phormium is generally propagated by seeds, or by division of the plant in spring.
Toxicity No or unknown toxicity.
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