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Iris du Japon - Iris ensata Crystal Halo
Iris ensata Crystal Halo - Japanese Water Iris
Iris ensata Crystal Halo
Japanese Water Iris, Sword-leaved Iris, Butterfly Iris
planted in a Japanese-style garden
Françoise, 08/01/2013
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Dispatch by letter from €3.90.
Delivery charge from €5.90 Oversize package delivery charge from €6.90.
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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.
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Description
The 'Crystal Halo' Japanese iris has flowers with a 20cm (8in) diameter, bluish-violet with a golden centre, highlighted by a mauve border fading to white. They bloom in late summer at a height of 60cm (24in) for a good 3 weeks between June and July.
Iris ensata thrive in full sun or partial shade, in moist to wet soils. The flowers, 10 to 15cm (4 to 6in) in diameter, consist of 3 large flattened sepals topped by 3 thinner petals.
Ensata irises can be grown as water plants in the summer, but they do not tolerate being submerged during winter.
Grow Iris ensata in moist soil alongside Astilbes, royal ferns, and Ligularias.
Iris ensata Crystal Halo - Japanese Water Iris in pictures
Flowering
Foliage
Plant habit
Botanical data
Iris
ensata
Crystal Halo
Iridaceae
Japanese Water Iris, Sword-leaved Iris, Butterfly Iris
Cultivar or hybrid
Other Japanese Iris
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Planting and care
Japanese Iris prefers a damp and marshy soil, without limestone. They also tolerate a fresh soil, even if it is not waterlogged, as long as it does not dry out in summer. On the other hand, they prefer a rather dry soil in winter. We have planted them near an artificial stream, the water level of which is kept high during the beautiful season. In winter, we let the level drop by about 15cm (6in), so that the stumps are above the water, as in nature where the level of rivers decreases in winter and rises again in spring with the melting of snow. Their cold resistance is excellent up to about -18° (-0.4°F). It is further increased if the soil is dry.
Planting period
Intended location
Care
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Summer flowering perennials
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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 zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
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:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
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.