About

Carex acuta is a slim, clumping sedge characterized by its narrow foliage that can reach heights of up to 90 cm. In late spring and summer, it produces spikes that carry brown flowers.

About the genus

Carex encompasses both deciduous and evergreen species, characterized by their rhizomatous or tufted growth habits. These perennials feature triangular stems topped with linear or strap-like foliage, and they produce spikes that can be either short or elongated, adorned with small green or brown flowers.

Growing conditions

Sunlight
Full sun, Partial shade
Soil type
Chalk, Clay, Loam
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Poorly-drained
Aspect
North-facing, South-facing, East-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H6

Plant details

Plant type
Herbaceous Perennial, Bogs, Grass Like
Habit
Columnar upright
Foliage
Deciduous, Semi evergreen
Height
0.5-1 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
Wildlife gardens
Native to
Europe to C. Asia

Care notes

Cultivation
Plant in a reliably moist soil or submerged in shallow margins of ponds in full sun or partial shade
Pruning
Foliage can be cut back to just above water surface in autumn
Propagation
Propagate by division in spring
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free