About

Carex sylvatica is an evergreen perennial that forms dense clumps with long, strap-like leaves that are glossy green. In the summer, it produces arching flower stems that are yellow-green. This plant thrives in moist or boggy locations within the garden.

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

Plant details

Plant type
Grass Like, Herbaceous Perennial
Habit
Clump forming, Tufted
Foliage
Evergreen
Height
0.5-1 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
City and courtyard gardens, Cottage and informal garden, Patio and container plants, Rock garden

Care notes

Cultivation
Prefers moist, poorly-drained soil in sun or partial shade. Grows well at the edge of ponds or streams
Pruning
If required, can be cut back by half from April to July. Do not prune in autumn or winter
Propagation
Propagate by division in spring
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free