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Phormium cookianum subsp. hookeri Tricolor
Phormium cookianum subsp. hookeri Tricolor
Phormium cookianum subsp. hookeri Tricolor
Phormium cookianum subsp. hookeri Tricolor
Very lovely young plant, arrived very well packaged and fresh. Bigger than described. Really great to have acquired this beautiful specimen. I recommend to everyone. Thank you Promesse de fleurs and well done for your flowers.
Dominique, 28/12/2022
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Dispatch by letter from €3.90.
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This plant carries a 12 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
From €5.90 for pickup delivery and €6.90 for home delivery
Express home delivery from €8.90.
From €5.90 for pickup delivery and €6.90 for home delivery
Express home delivery from €8.90.
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Phormium cookianum 'Tricolor' is a variety of Mountain Flax that is large and beautifully coloured, but also one of the hardiest and easiest to grow, in moist soil. This perennial, with its giant grass-like shape, forms a large erect tuft composed of large, persistent, prickly leaves that are green with cream margins and edged in pink-red. It is ornamental all year round, including during summer, with large panicles of green-yellow tubular flowers. It is both very bright and very impressive in a mass planting or in a large container on the terrace. This phormium appreciates moist soil in summer, drier in winter.
Phormium cookianum or Mountain Flax belongs to the agave family, just like its cousin the Phormium tenax, and both are native to New Zealand. However, the former is smaller and slightly less hardy, and prefers moister, fertile soil. The 'Tricolor' cultivar is a robust variegated foliage form. This robust rhizomatous perennial grows in a large non-spreading clump. Its growth is rather slow, reaching maturity at around 8 years. It has an upright and arching habit, reaching an average height of 1.5 meters (4 feet 11 inches) depending on growing conditions, with a spread of 2 metres (6 feet 7 inches). The leaves are wide, up to 10 cm (3.9 in), slightly arching, very long, flexible, pointed, and trailing at their tips. They are striped with bright green and creamy yellow, finely edged with purple-red. The quite spectacular flowering takes place in June-July. It takes the form of flower stalks at least 3 metres (9 feet 10 inches) high overhanging the foliage clump. The tubular flowers are yellow, tinged with green.
This Phormium is a plant of great ornamental value, suitable for large beds or large rockeries, in mild climates. It may sometimes be disappointing in hot climates if it does not receive regular watering in summer. Used as a specimen or planted in groups, it structures the space like large grasses. It is also a wonderful perennial for a modern garden with clean lines. In cold regions, it can be planted in a very large pot on the terrace or balcony, to admire its presence in the summer and overwinter it frost-free in a cold greenhouse or a slightly heated conservatory. In an urban garden, it softens concrete structures. For an exotic atmosphere, it can be associated with Leptospermum scoparium, a pink to red ball-shaped flower in summer, Helichrysum rosmarinifolium 'Silver Jubilee', Pittosporum tenuifolium Tom Thumb, or even Olearia macrodonta 'Major', also from the coast.
The Maoris use Phormiums as we use flax, for their fibres that are used in the textile industry. This ability probably gave them the vernacular name 'New Zealand Flax' or 'Mountain Flax'.
Phormium cookianum subsp. hookeri Tricolor in pictures
Flowering
Foliage
Plant habit
Botanical data
Phormium cookianum 'Tricolor' is a hardy plant that will only be grown in open ground in regions where frost does not go below -7°C (19.4 °F). Everywhere else, pot cultivation is more suitable, allowing for wintering in a frost-free, cool and bright room.
Plant your Phormium in a container or large pot with the bottom filled with gravel, potshards or clay pellets. The soil mix should be fertile and well-draining (1/3 leaf compost, 1/3 compost and 1/3 ordinary garden soil, enriched with a handful of bonemeal).
Place the plant in full sun. Water abundantly during the growth period so that the soil never completely dries out. Feed the plant with special "green plant" fertilizer diluted in watering water once a month. In winter, reduce water and fertilizer inputs, and let the soil superficially dry between waterings.
In regions with a mild climate and light frost, plant the Phormium in open ground, in a very well-drained, yet moist and fertile soil.
In summer, make sure the plant does not lack water. In winter, it is satisfied with rainwater.
In case of severe frost, install a thick mulch at the base of the plant and cover it with fleece.
In the coldest regions, a thick mulch will help protect the roots from frost in winter.
Planting period
Intended location
Care
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.