Hairy sedge
Carex hirta · Cyperaceae
The gardener's calendar
Ideal time to plant hairy sedge: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Evergreen, light to medium green
- Flowering
- Spring to early summer (April-June)
- Mature size
- 30 to 50 cm tall, 20 to 30 cm spread
- Growth
- Moderate to fast
- Hardiness
- Excellent (–15 °C and beyond)
- Origin
- Temperate and central Europe
- Soil type
- Moist to cool, tolerant
- Exposure
- Full sun to partial shade
Care
Watering
This sedge appreciates constantly moist soil without being waterlogged. During dry periods, water regularly to maintain soil moisture. It tolerates wet areas and pond edges well. Prolonged water shortage will weaken the plant.
Exposure
This sedge develops ideally in full sun to partial shade. In full sun, it maintains a brighter hue. In dense shade, its growth slows down. An exposure sheltered from strong winds is preferable to preserve the elegance of its foliage.
Soil and planting
Plant it in soil rich in organic matter, moist and well-drained. This species tolerates acidic to neutral soils and even adapts to compacted soils. Adding compost at planting will promote its rapid establishment.
Pruning and cutting
Remove dead or damaged foliage in early spring before new growth. Light autumn cleanup (removing excess dry leaves) maintains the clarity of the clump. Avoid severe pruning that would compromise the natural shape.
Fertilizer
Undemanding, this sedge requires only moderate fertilizer. A spring application of compost or slow-release organic fertilizer is more than sufficient. Naturally rich organic soil considerably reduces this need.
Diseases and pests
Very hardy and robust, it is rarely affected by major diseases or pests. Excess standing moisture can, in rare cases, promote rot. Ensure proper drainage and adequate air circulation.
Did you know?
The sedge owes its scientific name 'hirta' from Latin meaning 'bristly', referring to its slightly hairy and rough leaves to the touch. This small Cyperaceae, long considered merely a grass, has become since the 2000s an essential ally in modern gardens, particularly in minimalist plant compositions and ornamental grass gardens.
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.