About

Carex flacca is a perennial sedge that gradually spreads, reaching heights of up to 45 cm. It features rigid, hair-like foliage that displays a rich green color on the upper side, while the undersides are a muted blue-gray. In early summer, this plant produces flower spikes measuring about 4 cm in length, which emerge on gracefully bending stems and have a purple-brown hue.

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, Sand
Soil pH
Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
East-facing, South-facing, North-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Plant type
Grass Like
Habit
Bushy
Foliage
Evergreen
Height
0.1-0.5 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
Cottage and informal garden, Rock garden, City and courtyard gardens, Coastal, Gravel garden, Patio and container plants
Native to
Europe to Pakistan

Care notes

Cultivation
Grows best in a moisture-retentive, alkaline to neutral soil. Drought-tolerant when established. Can spread so best grown in confined spaces or containers
Pruning
Comb or rake off any old, tired or dead leaves and flowers in spring
Propagation
Propagate by seed sown in containers in a cold frame in spring or by division in early summer
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free