Carex morrowii Irish Green
Carex morrowii Irish Green
Carex morrowii subsp. foliosissima Irish Green
Japanese Sedge, Morrow's Sedge
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This plant carries a 12 months recovery warranty
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Description
Carex morrowii 'Irish Green', also known as Japanese Sedge, is a low-growing grass-like plant that stands out with its evergreen foliage, which is a very bright green with bluish reflections. This perennial forms a graceful clump, both erect and trailing, with a flexible appearance. Its summer flowering is in the form of small white-cream spikes that turn brown with age. It is a hardy and robust plant, which will grow among the roots of trees in shaded areas. It should be planted in neutral to acidic soil, preferably moist to wet, even in dense shade.
Carex morrowii 'Irish Green' is a sedge belonging to the large Cyperaceae family. It is native to Japan. This small grass with short rhizomes forms a soft clump with a compact, erect, and trailing habit, reaching about 35cm (14in) in all directions. Its evergreen leaves are arched, sheathing at the base, about 3mm (1in) wide and approximately 40cm (16in) long. Their edges are tapered and their tips drooping. They have a particularly shiny medium green colour with bluish reflections when backlit. In July-August, short cream spikes measuring 2 to 4cm (1 to 2in) appear among the foliage on thin stems about 35cm (14in) tall. At maturity, they turn brown.
'Irish Green' is a small 'herb' with refined foliage and a minimalist style, which will form a dense bouquet of foliage in shady areas, covering the ground and discouraging weeds. It can be paired with Milium effusum 'Aureum', Geranium vivace 'Czackor', or even Vinca 'Atropurpurea'. It does not require the presence of another plant by its side, but it will bring lightness to the lush foliage of rodgersias, the fronds of ferns, and also pairs well with colourful heucheras. As this grass-like plant prefers moist to wet soils, it will naturally find its place in water gardens, among moss-covered stones arranged on banks or at the edge of a water feature, where it will contribute to soil stabilisation. It can also be placed along the edges of perennial borders. For a beautiful wild effect, plant it en masse in contemporary or rustic gardens.
Carex morrowii Irish Green in pictures
Flowering
Foliage
Plant habit
Botanical data
Carex
morrowii subsp. foliosissima
Irish Green
Cyperaceae
Japanese Sedge, Morrow's Sedge
Cultivar or hybrid
Planting and care
Carex morrowii 'Irish Green' prefers moist soils that are not too chalky. It tolerates wet areas well. It requires a semi-shaded or even shaded exposure, sheltered from direct sunlight. It tolerates moderate and short periods of drought quite well. This easy-to-grow grass requires very little maintenance. Plant when risk of frost has gone. Water abundantly when planting. Avoid heavy fertiliser inputs. Remove damaged foliage during the growing season and clean the clump at the end of winter, just before the start of vegetation.
Planting period
Intended location
Care
Planting & care advice
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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).
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.
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