Overview
Carex acutiformis is a clump forming, tufted grass like in the genus Carex, part of the Cyperaceae family, with deciduous foliage. It typically grows around 1-1.5 metres tall and 1-1.5 metres wide, reaching full size in around 2-5 years. Carex acutiformis grows best in full sun and partial shade, and tolerates clay and loam soils and any pH. Its UK hardiness is rated H7. Suggested uses include coastal, cottage and informal garden and wildlife gardens. It is native to E Europe.
About
Carex acutiformis is a hardy perennial sedge that thrives in wetland environments such as ponds, streams, and boggy areas. It develops dense clumps of light greyish-green leaves, reaching heights of approximately 1.2 meters. In summer, this plant produces elongated flower spikes that are soft and pale brown, which eventually give way to dark seed heads.
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
Best soil and position for Carex
- Sunlight
- Full sun, Partial shade
- Soil type
- Clay, Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Poorly-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
Carex acutiformis size, habit and characteristics
- Plant type
- Grass Like, Aquatic, Bogs
- Habit
- Clump forming, Tufted
- Foliage
- Deciduous
- Height
- 1-1.5 metres
- Spread
- 1-1.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Coastal, Cottage and informal garden, Wildlife gardens
- Native to
- E Europe
Care notes
Pruning and caring for Carex acutiformis
- Cultivation
- Grow in any waterside location, boggy or wet soils in sun or part shade. Robust, spreading plant only suited to large pond areas. See bog gardening and pond plants for further advice
- Pruning
- No pruning required, tidy if possible after foliage begins to die down
- Propagation
- Propagate by seed in early spring or by division in mid spring to early summer
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
How do I grow Carex acutiformis?
Grow in any waterside location, boggy or wet soils in sun or part shade. Robust, spreading plant only suited to large pond areas. See bog gardening and pond plants for further advice.
Where is the best place to plant Carex acutiformis?
Carex acutiformis prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Carex acutiformis need?
Carex acutiformis grows best in clay and loam soil. It is happy in soil of any pH. Aim for soil that stays poorly-drained.
How do I prune Carex acutiformis?
No pruning required, tidy if possible after foliage begins to die down.
How big does Carex acutiformis grow?
Carex acutiformis reaches a height of 1-1.5 metres and a spread of 1-1.5 metres. It takes around 2-5 years to reach full size.
Is Carex acutiformis hardy in the UK?
Carex acutiformis has a UK hardiness rating of H7.
How do I propagate Carex acutiformis?
Propagate by seed in early spring or by division in mid spring to early summer.