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Carex oshimensis Everest is a compact, evergreen Japanese sedge forming graceful, arching mounds of narrow, variegated leaves with bright white margins and deep green centres. Valued for reliable, year-round texture and light in shaded spots, its ideal for edging paths, woodland-style planting and containers. Grow in partial shade to shade in moist but well-drained, moderately fertile soil; avoid hot, dry sites and trim away any tired foliage in late winter or early spring. Clumps typically reach about 3045cm high and wide, with small, inconspicuous brown flower spikes in spring.
Position: Partial shade to shade Rate of Growth: Moderate Soil: Moist but well-drained, moderately fertile soil Hardiness: Hardy in most UK regions Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
light:light-shade
light:shade
facing:east
facing:north
soiltype:moderate-fertile
soilmoisture:normal
foliage:evergreen
flowering:april
flowering:may
flowercolour:brown
leafcolour:variegated
size:30-60cm
gardenstyle:architectural
gardenstyle:rock-and-water
Potted Carex Oshimensis Everest
Common Name: Everest Japanese Sedge
Other names: None
Indoors or Outdoor: Suitable for both indoor and outdoor cultivation
Size: Potted plant, approximately 20-30 cm in height
Delivery info: This product will be carefully packaged and delivered directly to your doorstep within the specified delivery timeframe.
Mature Size: Reaches a height of 30-40 cm and a spread of 30-45 cm
Evergreen or deciduous: Evergreen, providing year-round interest
Preferred position: Partial to full shade, but can tolerate some sun in cooler climates
Shape – Plant Characteristics: Compact clumps with slender, arching green and white variegated leaves
Hardy or not Hardy: Hardy in most climates, including the Irish climate
Diseases: Generally disease-resistant and low-maintenance
Uses in Garden: Perfect for borders, containers, and rock gardens. Adds texture and interest to shady spots.
Preferred planting aspect: Thrives in a sheltered position away from strong winds
Is it Frost Hardy: Yes, it is frost hardy and can withstand cold temperatures in the Irish climate
Fast or slow Growing? Moderately fast-growing, forming dense clumps over time
Pruning advice: Trim back any damaged or untidy foliage in early spring
Sowing Time: Can be planted throughout the year, but early spring or autumn is ideal
Instructions: Plant in well-draining soil enriched with organic matter
Trench Preparation: Dig a trench and incorporate compost or well-rotted manure before planting
Instructions: Gently remove the plant from its pot, place it in the trench, and fill with soil, firming it around the roots
Positioning of Plants: Space the plants approximately 25-30 cm apart
Plant Spacing: Provide enough room for the plants to spread and grow freely
Pruning Instructions: Remove any dead or damaged foliage regularly to encourage healthy growth
– This plant is well-suited for the Irish climate, as it tolerates the cooler temperatures and moderate rainfall.
– In Ireland, it is often used in shaded areas or woodland gardens to add interest and texture.
– The average growth rate of Everest Japanese Sedge in Ireland is around 10-15 cm per year.
– When planting in Ireland, ensure the soil is well-draining to prevent waterlogging, which can harm the plant’s roots.
(Note: All measurements are provided in the metric system.)