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Always looking sharp, even in the wind 😎
Family: Cyperaceae · Pot diameter: 10.5 cm · Height: 20 cm
Carex oshimensis EverColor® ‘Eversheen’ is the small gold-and-green detail that makes a planting look instantly brighter and more considered. Its slim, glossy leaves open into a light, arching clump, with a vivid lime-yellow centre and deep green margins that give every blade crisp definition. Elegant through every season, it moves beautifully in the slightest breeze and brings the feeling of a plant designed to illuminate a space without weighing it down.
In pots, low borders, shaded entrances or beneath open shrubs, its tidy clump works like a ribbon of light. Used alone, it provides a clean, contemporary accent; repeated through a planting, it ties the design together and softens hard edges with movement and texture.
Carex oshimensis EverColor® ‘Eversheen’ received a Bronze Medal at GrootGroenPlus 2014.
Three precise traits give ‘Eversheen’ its bright, refined and distinctly well-groomed presence.
The lime-yellow centre of each leaf is framed by deep green margins, creating crisp contrast without harshness.
Numerous shoots rise from the base and the narrow leaves arch outwards, creating a clump that is dense yet visually light.
The GrootGroenPlus 2014 Bronze Medal recognised its distinctive combination of colour, compact form and ornamental value.
Why you will love it: it brightens shade, keeps a tidy outline and adds movement without demanding the visual weight of a large specimen.
Place it at the front of a composition, along the edge of a path or in a pot where the leaves can arch freely. In warm Mediterranean conditions, choose bright partial shade or morning sun; in a cooler position it tolerates more light, provided the soil does not dry abruptly.
For a continuous low ribbon, space plants about 45 cm centre to centre. For distinct mature clumps with clear space between them, increase the spacing to 50–60 cm.
Build a cool-toned partial-shade composition with broad foliage and upright floral accents. All three companions prefer organic, evenly moist yet freely draining soil.
Bright partial shade or gentle morning sun is ideal in warm Mediterranean regions. In a cool microclimate it accepts more sun when moisture remains consistent.
Water thoroughly when the top 2–3 cm of soil have dried. Keep moisture even without allowing the roots to remain in standing water.
Evergreen and hardy to around −25 °C. In a very hot, dry climate it benefits from afternoon shade and protection from scorching wind.
This is an ornamental plant and is not intended for consumption. Discourage chewing; the very fine leaf margins can feel rough when touched against their natural direction.
Provide bright partial shade or morning sun, particularly in warm regions. It tolerates more light where the soil stays cool, but hot afternoon sun combined with dry air can dull or scorch the leaf tips.
It prefers organic soil that holds useful moisture while quickly releasing excess water. Acid, neutral or alkaline conditions are acceptable, provided water does not linger around the roots.
Plant at the same depth as the existing root surface and loosen the surrounding soil so the fine roots can spread. Water deeply after planting and add a thin organic mulch, keeping the base of the clump clear.
Choose an outdoor pot with unobstructed drainage holes and a quality mix that retains moisture without compacting. Move up one pot size at a time when the roots fill the available space, and never leave water standing in the saucer.
Check the upper layer with a finger and water when the top 2–3 cm have dried rather than following a fixed calendar. New plantings and pots need more frequent checks in summer; aim for moist soil that is never saturated.
A light application of balanced fertiliser in spring is usually sufficient. Excess nitrogen can produce looser growth and reduce the clarity of the variegation.
In late winter, remove only dry outer leaves by hand and trim individual brown tips. Do not cut the entire evergreen clump down each year. If it ages or thins at the centre, divide it in early spring and replant the vigorous outer sections.
After planting, it first organises its dense, fibrous root system. Top growth may remain quiet until the roots connect with the new soil.
Short, sturdy rhizomes produce more basal shoots. The clump fills out without a woody trunk, while young leaves rise more upright before arching outwards.
The mature clump retains its two-tone foliage in winter, then renews in spring with cleaner growth and discreet brown flower spikes. Its established size is about 40 cm high and 40 cm wide.
Numerous basal shoots send leaves in different directions; they rise and arch so the mature 40 cm clump softens the edge of a planting without a trunk or rigid centre.
The clump remains evergreen in suitable conditions. Stripe intensity, density and the precise timing of the flower spikes vary with light, temperature and microclimate.
What to expect after planting: the fine roots settle first, followed by an increase in basal shoots. The clump becomes denser from the inside out, while the younger leaves gradually develop their characteristic arch.
The wider EverColor® story began in 1989, when a birthday gift of one hundred Carex plants arrived at FitzGerald Nurseries in Ireland. Pat FitzGerald and his team devoted more than twenty-five years to the idea of hardy, easy and colourful plants, turning that first single-colour starting point into a whole family of shades.
Carex oshimensis EverColor® ‘Eversheen’ appeared later, not as a planned cross but as a natural chimeral mutation of ‘Evergold’. Pat FitzGerald discovered it in August 2008 in a pot at his nursery in Oldtown, Stoneyford, County Kilkenny, where its lime-yellow centre and deep green margins immediately distinguished it from the parent plant.
That same year, the first asexual propagation began through rhizome division. Successive generations raised by division and basal cuttings consistently retained the compact, sturdy growth and precise variegation. The US plant patent application was filed in 2013 as the cultivar moved towards international distribution.
In 2014, ‘Eversheen’ received a Bronze Medal at GrootGroenPlus, the same year in which the EverColor® range was officially introduced after its long testing period. US plant patent PP25,938 was granted in 2015, while European protection is recorded as PBR EU 44512 — modern milestones in a story that began with one hundred plants and became a bright Irish selection for gardens around the world.
Carex belongs to Cyperaceae rather than the true-grass family Poaceae. A classic diagnostic feature of sedges is a solid flowering culm with a triangular cross-section, unlike the often round and hollow culm found in many grasses.
The leaf margins appear smooth, yet the patented description of ‘Eversheen’ records extremely small teeth. They are too small to measure visually, but make the leaf feel rougher when touched against their direction.
The terminal inflorescence carries male and female flowers in separate spikes along the same axis. In the official cultivar description, the upper male spike is accompanied by lower female spikes; pollen production was recorded as very limited and no seed had been observed.
Six practical answers covering light, winter appearance, mature size, pots, watering and grooming.
Bright partial shade or morning sun gives reliable, clear colour in most Mediterranean regions. In a cooler microclimate it tolerates more sun when root moisture remains even; avoid hot afternoon light combined with dry air.
Yes, it is evergreen. Severe cold or dry wind may cause a few brown tips, but the clump does not normally enter complete winter dieback like many deciduous ornamental grasses.
In suitable conditions it reaches about 40 cm in height and 40 cm in spread. Young leaves begin more upright and then arch outwards, so leave free space around the outline.
Yes. Its compact form suits an outdoor pot with free drainage. Repot gradually when the roots fill the available space, and check moisture more frequently in summer.
Water deeply when the top 2–3 cm of soil have dried. Do not follow a fixed calendar: pots, wind and summer heat speed drying, while partial shade and cool weather slow it down.
It does not need annual cutting back. Remove only damaged outer foliage in late winter. If the centre thins after several years, divide the clump in early spring and retain the healthy outer sections.
