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Evergreen Japanese Sedge Ornamental Grasses (Carex Oshimensis Evergreen)

Evergreen Japanese Sedge (Carex oshimensis 'Evergreen') is an attractive, low-growing ornamental grass valued for its dense clumps of fine, arching foliage and year-round greenery. Its neat growth habit and graceful texture make it a versatile choice for garden borders, shaded planting schemes, containers and woodland-style landscapes. As an evergreen perennial, it maintains its foliage throughout the seasons, providing structure and colour even when many other garden plants become dormant.

Slow Growth Rate
Evergreen
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Planting Conditions: Carex oshimensis Evergreen grows best in fertile, moist but well-drained soil enriched with organic matter. It can tolerate different soil types, including clay, loam and sandy soils, provided drainage is suitable. Choose a position in full sun or partial shade. While it performs well in shaded areas, it can also grow successfully in sunnier locations if the soil remains sufficiently moist. Water regularly during establishment and prolonged dry periods.
Growth Rate: This Japanese sedge has a slow to moderate growth rate, gradually forming dense, rounded clumps as it establishes. It typically reaches around 30 cm in height, with a similar potential spread.
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	Height cm	Price inc VAT	Planting Density	Plants Quantity
	Evergreen Japanese Sedge Ornamental Grass Pot Grown 2L	Regular price £6.00 Sale price £6.00 Regular price Unit price per
	Evergreen Japanese Sedge Ornamental Grass Pot Grown 5L	Regular price £15.68 Sale price £15.68 Regular price Unit price per

	Height cm	Price inc VAT	Planting Density	Pallet Quantity
	Evergreen Japanese Sedge Ornamental Grass Pot Grown 2L (50 Plants)	Regular price £270.00 Sale price £270.00 Regular price Unit price per
	Evergreen Japanese Sedge Ornamental Grass Pot Grown 5L (40 Plants)	Regular price £564.48 Sale price £564.48 Regular price Unit price per

Evergreen Japanese Sedge Ornamental Grasses Description

Carex oshimensis Evergreen, commonly known as Japanese Sedge, is a compact, clump-forming perennial that brings subtle texture and year-round greenery to garden designs.

Its narrow, arching leaves form attractive cascading mounds, creating a soft, flowing appearance that contrasts beautifully with broad-leaved plants, flowering perennials and other ornamental grasses.

One of its main attractions is its evergreen foliage, which retains its dark green colour throughout the year. Unlike deciduous ornamental grasses that die back during winter, this Japanese sedge continues to provide garden structure during colder months.

Its compact size also makes it suitable for smaller planting areas where taller grasses might overwhelm the available space.
During mid to late spring, Carex oshimensis Evergreen produces small, inconspicuous brown flower spikes held on short stems within the foliage.

Although the flowers are relatively subtle, they add another seasonal feature to the plant without taking attention away from its attractive leaves.

Its naturally tidy growth habit makes it particularly useful for creating soft borders, filling gaps between larger plants and adding texture to container arrangements.

Whether incorporated into a woodland-inspired garden, a contemporary planting scheme or a mixed ornamental grass border, Evergreen Japanese Sedge provides a consistent and attractive foliage feature.

Pruning Advice

Evergreen Japanese Sedge requires very little pruning to maintain its natural shape. Rather than cutting the entire plant back, occasional grooming is generally sufficient to keep its foliage looking fresh and healthy.

Removing Old Foliage: Inspect the plant during spring and remove any dead, damaged or discoloured leaves. Gently comb through the foliage by hand to clear away unwanted growth while preserving healthy leaves.

Trimming: If individual leaves become untidy or damaged, trim them carefully near the base. Avoid cutting all the foliage back to ground level, as this can spoil the plant's appearance and affect its recovery.

Division: Mature clumps can become crowded over time. Dividing them every few years, preferably during mid-spring to early summer, helps rejuvenate established plants and provides an opportunity to create additional plants for other garden areas.

General Care: Keep the surrounding soil reasonably moist, particularly during prolonged dry weather. Remove weeds around the base and check the foliage occasionally for damaged or unhealthy growth.

Further Information

Evergreen Foliage: One of the key benefits of Carex oshimensis Evergreen is its ability to retain its foliage throughout the year. Its dense green leaves provide continuity in garden borders, containers and planting schemes during every season.

Low Maintenance: This ornamental sedge is relatively easy to care for once established. It requires little routine pruning, making it a suitable option for gardeners looking for attractive planting without extensive maintenance.

Shade Tolerant: Evergreen Japanese Sedge grows well in partial shade and can also tolerate full sun when adequate moisture is available. This flexibility makes it useful for a range of garden positions, including woodland-style borders and areas beneath trees where conditions are suitable.

Compact Size: Reaching approximately 30 cm in height, this low-growing sedge is ideal for edging, smaller borders and container planting. Its naturally rounded clumps provide texture without dominating surrounding plants.

Versatile Planting: Its fine foliage and compact habit make it suitable for mixed borders, patio containers, woodland gardens and decorative ground-level planting. It also combines well with flowering perennials and other ornamental grasses.

Frequently Asked Questions

1. Is Evergreen Japanese Sedge suitable for growing under trees?

Yes, it can grow beneath trees where partial shade and suitable soil conditions are available. However, areas with dense tree roots can become dry, so monitor soil moisture and water when necessary to help the sedge establish.

2. Does Carex oshimensis Evergreen flower?

Yes. It produces small brown flower spikes, generally during mid to late spring. These appear within or slightly above the foliage and are relatively understated compared with the plant's decorative leaves.

3. Will Japanese Sedge spread throughout the garden?

Evergreen Japanese Sedge is a clump-forming perennial rather than an aggressively spreading ground cover. Its growth gradually expands outwards, creating neat mounds that can be divided when they become crowded.

4. Is Carex oshimensis Evergreen hardy enough for UK winters?

Yes. This variety is listed as very hardy and is suitable for UK growing conditions. Its evergreen foliage generally remains through winter, although individual leaves may become damaged during particularly harsh weather.

5. What plants grow well alongside Evergreen Japanese Sedge?

It combines well with shade-tolerant plants such as hostas, ferns, heucheras and woodland perennials. Their contrasting leaf shapes, colours and textures create an attractive mixed planting scheme while allowing the sedge's fine foliage to stand out.

Delivery & Returns

Enjoy convenient delivery of your Evergreen Japanese Sedge, with free delivery available within 50 miles of our nursery. Deliveries beyond this area may also be available depending on your location and order.

If you're unsure whether your property falls within our delivery area, please contact us before placing your order. Every plant is carefully prepared for delivery to help ensure it arrives in good condition.

For added peace of mind, your Evergreen Japanese Sedge is covered by our 12 Month Guarantee on All Plants.

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With over 30+ years in the horticultural industry, Bannister Hall is an award winning UK plants nursery. We are trusted growers and online retailers of everything plants including topiary, trees, hedges, and shrubs, supplying outdoor plants nationwide to homeowners, the RHS Chelsea Flower Show, local authorities, the NHS, landscaping designers, gardeners, contractors, and property developers. From our three privately owned British plants nurseries we offer specialist nationwide delivery of high quality plants at unbeatable prices. Our nurseries can be visited by everyone and you can also shop here online choosing from over 40,000 plant species. We are fully DEFRA compliant and approved by the national 'Plant Healthy Scheme'. Buy Hedges, Trees, Plants & Shrubs Direct Online with Free Delivery and 12 months plants guarantee- Tel. 0330 236 7330.