Carex otrubae
Carex otrubae · Cyperaceae
The gardener's calendar
Ideal time to plant carex otrubae: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Evergreen
- Adult height
- 30 to 60 cm
- Spread
- 45 to 60 cm
- Growth rate
- Moderate
- Hardiness
- -15 to -20 °C
- Origin
- Central and Eastern Europe
- Soil type
- Moist to marshy, tolerant
- Exposure
- Sun to partial shade
Care
Watering
Copper sedge appreciates moist soils and isn't afraid of excess water, unlike many plants. During dry periods, regular watering maintains the vigour of the foliage. It tolerates slow-draining or temporarily flooded areas well. Reduce watering slightly in winter if grown in a pot.
Exposure
Install it in sun or partial shade for optimal development. In very hot regions, partial shade preserves the golden colour of the foliage. It also adapts to shaded areas but remains less dense. Sunny exposure enhances the characteristic copper colouration.
Soil
This sedge excels in moist, peaty or clay-loamy soils. It tolerates acidity to neutrality and doesn't require rich soil. Drainage isn't critical; it even tolerates temporarily waterlogged soils. No special amendment is necessary at planting.
Pruning
Cut back dead or damaged foliage in spring (March-April) before new growth appears. Light pruning in late winter aerates the clump. In mild climates, foliage persists; regularly remove dry leaves to promote air circulation and maintain aesthetics.
Fertiliser
No fertiliser is essential: this grass is undemanding. In poor soil, a light application of balanced fertiliser in spring can stimulate growth. Avoid excess nitrogen, which promotes vigour at the expense of colour.
Diseases and pests
Copper sedge is naturally robust and rarely affected by disease. Powdery mildew may appear if air circulation is very poor; improve circulation by thinning the clump. In very poorly drained soil, watch for root rot; however, this species resists it better than most plants.
Did you know?
Copper sedge owes its common name to the beautiful golden or coppery hue of its spikelets and stems, particularly pronounced in autumn and winter. Traditionally used in Central Europe to stabilise damp banks and marshy areas, it proves equally valuable in contemporary gardens for creating subtle texture and colour effects, hence its growing interest in ecological garden compositions.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
Add this plant to my garden →Plants from the same family
- Blue sedgeCarex panicea
- Spring sedgeCarex caryophyllea
- Pendulous sedgeCarex pendula
- Bird's-foot SedgeCarex ornithopoda
- Gray's sedgeCarex grayi
- Strict sedgeCarex stricta
Tips generated and checked by Viridia — adapt them to your local climate.