Carex morrowii 'Irish Green'
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Carex morrowii ‘Irish Green’

Japanese Sedge

£12.95

Carex morrowii ‘Irish Green’ is a compact, evergreen ornamental sedge with deep green arching leaves. It provides attractive ground cover for shaded gardens and maintains year-round interest when planted in moist, well-drained soil.

Item code:
CIH-2
Pot size:
2Ltr pot
£12.95
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Origin: Japan
Genus: Carex
Species / Cultivar: Irish Green
Common Name: Japanese Sedge
Synonym: Carex morrowii, Carex morrowii 'Variegata'

Plant Biography

Native to Japan, Carex morrowii was introduced to the horticultural world for its adaptable, shade-loving habits. While the species thrives in woodland glades and moist forest soils, ‘Irish Green’ was developed by plant breeders to provide especially lush foliage and more defined form. Despite its grass-like look, ‘Irish Green’ is actually a sedge—a member of a large genus widely appreciated for its tolerance of shade and damp soils. Unlike some grasses, it stays evergreen through most British winters, bringing consistent texture and colour to garden beds when many other plants are dormant.

Carex morrowii ‘Irish Green’
Soil: Moist but Well Drained
Soil that allows water to drain at a moderate rate, without the water pooling.
Growth Rate: Medium
Expect to see moderate growth during growing season.
Water Requirement: Medium
Once it is established, this plant is likely to only require watering during drier periods.
Toxicity: Pet friendly
There is no reported toxicity to pets and humans.
Maintenance: Low
Minimal skill or input needed beyond the basics, a very independent plant.
Eventual Height: 30-40cmm
The plant's ultimate height in typical growing conditions.
Eventual Spread: 45-60cmm
The plant's ultimate spread in typical growing conditions.
Hardiness: Fully Hardy
Will survive unprotected outdoors in most areas of the UK, even in the harshest winters.
Habit: Evergreen
Always in leaf throughout the year. It won't lose all its leaves at any one time.
Lifecycle: Perennial
This plant is persistant and does not die off after flowering. It will return each season indefinitely, if provided with suitable growing conditions.
Care and size guidance

Care and size guidance

Choose a position that offers dappled shade, though the plant will tolerate full shade or some sun if soil remains moist. Ensure the soil does not dry out, especially in summer, and supplement watering during prolonged dry spells. Remove spent or damaged foliage in late winter or early spring to maintain its neat appearance. Mulching can help retain moisture and suppress weeds. If clumps become congested after several years, divide them to rejuvenate growth and maintain a tidy outline.

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